20675160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 76826880

約数和(自身を除く): 56151720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 55, 60, 66, 69, 72, 88, 90, 92, 99, 110, 115, 120, 132, 138, 165, 180, 184, 198, 207, 220, 227, 230, 253, 264, 276, 330, 345, 360, 396, 414, 440, 454, 460, 495, 506, 552, 660, 681, 690, 759, 792, 828, 908, 920, 990, 1012, 1035, 1135, 1265, 1320, 1362, 1380, 1518, 1656, 1816, 1980, 2024, 2043, 2070, 2270, 2277, 2497, 2530, 2724, 2760, 3036, 3405, 3795, 3960, 4086, 4140, 4540, 4554, 4994, 5060, 5221, 5448, 6072, 6810, 7491, 7590, 8172, 8280, 9080, 9108, 9988, 10120, 10215, 10442, 11385, 12485, 13620, 14982, 15180, 15663, 16344, 18216, 19976, 20430, 20884, 22473, 22770, 24970, 26105, 27240, 29964, 30360, 31326, 37455, 40860, 41768, 44946, 45540, 46989, 49940, 52210, 57431, 59928, 62652, 74910, 78315, 81720, 89892, 91080, 93978, 99880, 104420, 112365, 114862, 125304, 149820, 156630, 172293, 179784, 187956, 208840, 224730, 229724, 234945, 287155, 299640, 313260, 344586, 375912, 449460, 459448, 469890, 516879, 574310, 626520, 689172, 861465, 898920, 939780, 1033758, 1148620, 1378344, 1722930, 1879560, 2067516, 2297240, 2584395, 3445860, 4135032, 5168790, 6891720, 10337580, 20675160]

約数ペア:

[(1, 20675160), (2, 10337580), (3, 6891720), (4, 5168790), (5, 4135032), (6, 3445860), (8, 2584395), (9, 2297240), (10, 2067516), (11, 1879560), (12, 1722930), (15, 1378344), (18, 1148620), (20, 1033758), (22, 939780), (23, 898920), (24, 861465), (30, 689172), (33, 626520), (36, 574310), (40, 516879), (44, 469890), (45, 459448), (46, 449460), (55, 375912), (60, 344586), (66, 313260), (69, 299640), (72, 287155), (88, 234945), (90, 229724), (92, 224730), (99, 208840), (110, 187956), (115, 179784), (120, 172293), (132, 156630), (138, 149820), (165, 125304), (180, 114862), (184, 112365), (198, 104420), (207, 99880), (220, 93978), (227, 91080), (230, 89892), (253, 81720), (264, 78315), (276, 74910), (330, 62652), (345, 59928), (360, 57431), (396, 52210), (414, 49940), (440, 46989), (454, 45540), (460, 44946), (495, 41768), (506, 40860), (552, 37455), (660, 31326), (681, 30360), (690, 29964), (759, 27240), (792, 26105), (828, 24970), (908, 22770), (920, 22473), (990, 20884), (1012, 20430), (1035, 19976), (1135, 18216), (1265, 16344), (1320, 15663), (1362, 15180), (1380, 14982), (1518, 13620), (1656, 12485), (1816, 11385), (1980, 10442), (2024, 10215), (2043, 10120), (2070, 9988), (2270, 9108), (2277, 9080), (2497, 8280), (2530, 8172), (2724, 7590), (2760, 7491), (3036, 6810), (3405, 6072), (3795, 5448), (3960, 5221), (4086, 5060), (4140, 4994), (4540, 4554)]