20006838280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6637}}^1$

素因数の和:6720

約数の個数: 256

約数和(自身を含む): 57811138560

約数和(自身を除く): 37804300280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 31, 34, 40, 44, 52, 55, 62, 65, 68, 85, 88, 104, 110, 124, 130, 136, 143, 155, 170, 187, 220, 221, 248, 260, 286, 310, 340, 341, 374, 403, 440, 442, 520, 527, 572, 620, 680, 682, 715, 748, 806, 884, 935, 1054, 1105, 1144, 1240, 1364, 1430, 1496, 1612, 1705, 1768, 1870, 2015, 2108, 2210, 2431, 2635, 2728, 2860, 3224, 3410, 3740, 4030, 4216, 4420, 4433, 4862, 5270, 5720, 5797, 6637, 6820, 6851, 7480, 8060, 8840, 8866, 9724, 10540, 11594, 12155, 13274, 13640, 13702, 16120, 17732, 19448, 21080, 22165, 23188, 24310, 26548, 27404, 28985, 33185, 34255, 35464, 44330, 46376, 48620, 53096, 54808, 57970, 66370, 68510, 73007, 75361, 86281, 88660, 97240, 112829, 115940, 132740, 137020, 146014, 150722, 172562, 177320, 205747, 225658, 231880, 265480, 274040, 292028, 301444, 345124, 365035, 376805, 411494, 431405, 451316, 564145, 584056, 602888, 690248, 730070, 753610, 822988, 862810, 902632, 949091, 1028735, 1128290, 1241119, 1460140, 1466777, 1507220, 1645976, 1725620, 1898182, 2057470, 2256580, 2263217, 2482238, 2674711, 2920280, 2933554, 3014440, 3451240, 3497699, 3796364, 4114940, 4513160, 4526434, 4745455, 4964476, 5349422, 5867108, 6205595, 6995398, 7333885, 7592728, 8229880, 9052868, 9490910, 9928952, 10698844, 11316085, 11734216, 12411190, 13373555, 13990796, 14667770, 16134547, 17488495, 18105736, 18981820, 21397688, 22632170, 24822380, 26747110, 27981592, 29335540, 29421821, 32269094, 34976990, 37963640, 38474689, 45264340, 45470087, 49644760, 53494220, 58671080, 58843642, 64538188, 69953980, 76949378, 80672735, 90528680, 90940174, 106988440, 117687284, 129076376, 139907960, 147109105, 153898756, 161345470, 181880348, 192373445, 227350435, 235374568, 294218210, 307797512, 322690940, 363760696, 384746890, 454700870, 500170957, 588436420, 645381880, 769493780, 909401740, 1000341914, 1176872840, 1538987560, 1818803480, 2000683828, 2500854785, 4001367656, 5001709570, 10003419140, 20006838280]

約数ペア:

[(1, 20006838280), (2, 10003419140), (4, 5001709570), (5, 4001367656), (8, 2500854785), (10, 2000683828), (11, 1818803480), (13, 1538987560), (17, 1176872840), (20, 1000341914), (22, 909401740), (26, 769493780), (31, 645381880), (34, 588436420), (40, 500170957), (44, 454700870), (52, 384746890), (55, 363760696), (62, 322690940), (65, 307797512), (68, 294218210), (85, 235374568), (88, 227350435), (104, 192373445), (110, 181880348), (124, 161345470), (130, 153898756), (136, 147109105), (143, 139907960), (155, 129076376), (170, 117687284), (187, 106988440), (220, 90940174), (221, 90528680), (248, 80672735), (260, 76949378), (286, 69953980), (310, 64538188), (340, 58843642), (341, 58671080), (374, 53494220), (403, 49644760), (440, 45470087), (442, 45264340), (520, 38474689), (527, 37963640), (572, 34976990), (620, 32269094), (680, 29421821), (682, 29335540), (715, 27981592), (748, 26747110), (806, 24822380), (884, 22632170), (935, 21397688), (1054, 18981820), (1105, 18105736), (1144, 17488495), (1240, 16134547), (1364, 14667770), (1430, 13990796), (1496, 13373555), (1612, 12411190), (1705, 11734216), (1768, 11316085), (1870, 10698844), (2015, 9928952), (2108, 9490910), (2210, 9052868), (2431, 8229880), (2635, 7592728), (2728, 7333885), (2860, 6995398), (3224, 6205595), (3410, 5867108), (3740, 5349422), (4030, 4964476), (4216, 4745455), (4420, 4526434), (4433, 4513160), (4862, 4114940), (5270, 3796364), (5720, 3497699), (5797, 3451240), (6637, 3014440), (6820, 2933554), (6851, 2920280), (7480, 2674711), (8060, 2482238), (8840, 2263217), (8866, 2256580), (9724, 2057470), (10540, 1898182), (11594, 1725620), (12155, 1645976), (13274, 1507220), (13640, 1466777), (13702, 1460140), (16120, 1241119), (17732, 1128290), (19448, 1028735), (21080, 949091), (22165, 902632), (23188, 862810), (24310, 822988), (26548, 753610), (27404, 730070), (28985, 690248), (33185, 602888), (34255, 584056), (35464, 564145), (44330, 451316), (46376, 431405), (48620, 411494), (53096, 376805), (54808, 365035), (57970, 345124), (66370, 301444), (68510, 292028), (73007, 274040), (75361, 265480), (86281, 231880), (88660, 225658), (97240, 205747), (112829, 177320), (115940, 172562), (132740, 150722), (137020, 146014)]