20847378420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{7691}}^1$

素因数の和:7791

約数の個数: 216

約数和(自身を含む): 70909963488

約数和(自身を除く): 50062585068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 37, 44, 45, 55, 60, 66, 74, 90, 99, 110, 111, 132, 148, 165, 180, 185, 198, 220, 222, 330, 333, 370, 396, 407, 444, 495, 555, 660, 666, 740, 814, 990, 1110, 1221, 1332, 1369, 1628, 1665, 1980, 2035, 2220, 2442, 2738, 3330, 3663, 4070, 4107, 4884, 5476, 6105, 6660, 6845, 7326, 7691, 8140, 8214, 12210, 12321, 13690, 14652, 15059, 15382, 16428, 18315, 20535, 23073, 24420, 24642, 27380, 30118, 30764, 36630, 38455, 41070, 45177, 46146, 49284, 60236, 61605, 69219, 73260, 75295, 76910, 82140, 84601, 90354, 92292, 115365, 123210, 135531, 138438, 150590, 153820, 169202, 180708, 225885, 230730, 246420, 253803, 271062, 276876, 284567, 301180, 338404, 346095, 423005, 451770, 461460, 507606, 542124, 569134, 677655, 692190, 761409, 846010, 853701, 903540, 1015212, 1138268, 1269015, 1355310, 1384380, 1422835, 1522818, 1692020, 1707402, 2538030, 2561103, 2710620, 2845670, 3045636, 3130237, 3414804, 3807045, 4268505, 5076060, 5122206, 5691340, 6260474, 7614090, 8537010, 9390711, 10244412, 10528979, 12520948, 12805515, 15228180, 15651185, 17074020, 18781422, 21057958, 25611030, 28172133, 31302370, 31586937, 37562844, 42115916, 46953555, 51222060, 52644895, 56344266, 62604740, 63173874, 93907110, 94760811, 105289790, 112688532, 115818769, 126347748, 140860665, 157934685, 187814220, 189521622, 210579580, 231637538, 281721330, 315869370, 347456307, 379043244, 463275076, 473804055, 563442660, 579093845, 631738740, 694912614, 947608110, 1042368921, 1158187690, 1389825228, 1737281535, 1895216220, 2084737842, 2316375380, 3474563070, 4169475684, 5211844605, 6949126140, 10423689210, 20847378420]

約数ペア:

[(1, 20847378420), (2, 10423689210), (3, 6949126140), (4, 5211844605), (5, 4169475684), (6, 3474563070), (9, 2316375380), (10, 2084737842), (11, 1895216220), (12, 1737281535), (15, 1389825228), (18, 1158187690), (20, 1042368921), (22, 947608110), (30, 694912614), (33, 631738740), (36, 579093845), (37, 563442660), (44, 473804055), (45, 463275076), (55, 379043244), (60, 347456307), (66, 315869370), (74, 281721330), (90, 231637538), (99, 210579580), (110, 189521622), (111, 187814220), (132, 157934685), (148, 140860665), (165, 126347748), (180, 115818769), (185, 112688532), (198, 105289790), (220, 94760811), (222, 93907110), (330, 63173874), (333, 62604740), (370, 56344266), (396, 52644895), (407, 51222060), (444, 46953555), (495, 42115916), (555, 37562844), (660, 31586937), (666, 31302370), (740, 28172133), (814, 25611030), (990, 21057958), (1110, 18781422), (1221, 17074020), (1332, 15651185), (1369, 15228180), (1628, 12805515), (1665, 12520948), (1980, 10528979), (2035, 10244412), (2220, 9390711), (2442, 8537010), (2738, 7614090), (3330, 6260474), (3663, 5691340), (4070, 5122206), (4107, 5076060), (4884, 4268505), (5476, 3807045), (6105, 3414804), (6660, 3130237), (6845, 3045636), (7326, 2845670), (7691, 2710620), (8140, 2561103), (8214, 2538030), (12210, 1707402), (12321, 1692020), (13690, 1522818), (14652, 1422835), (15059, 1384380), (15382, 1355310), (16428, 1269015), (18315, 1138268), (20535, 1015212), (23073, 903540), (24420, 853701), (24642, 846010), (27380, 761409), (30118, 692190), (30764, 677655), (36630, 569134), (38455, 542124), (41070, 507606), (45177, 461460), (46146, 451770), (49284, 423005), (60236, 346095), (61605, 338404), (69219, 301180), (73260, 284567), (75295, 276876), (76910, 271062), (82140, 253803), (84601, 246420), (90354, 230730), (92292, 225885), (115365, 180708), (123210, 169202), (135531, 153820), (138438, 150590)]