20374380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8707}}^1$

素因数の和:8735

約数の個数: 72

約数和(自身を含む): 66563952

約数和(自身を除く): 46189572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8707, 17414, 26121, 34828, 43535, 52242, 78363, 87070, 104484, 113191, 130605, 156726, 174140, 226382, 261210, 313452, 339573, 391815, 452764, 522420, 565955, 679146, 783630, 1018719, 1131910, 1358292, 1567260, 1697865, 2037438, 2263820, 3395730, 4074876, 5093595, 6791460, 10187190, 20374380]

約数ペア:

[(1, 20374380), (2, 10187190), (3, 6791460), (4, 5093595), (5, 4074876), (6, 3395730), (9, 2263820), (10, 2037438), (12, 1697865), (13, 1567260), (15, 1358292), (18, 1131910), (20, 1018719), (26, 783630), (30, 679146), (36, 565955), (39, 522420), (45, 452764), (52, 391815), (60, 339573), (65, 313452), (78, 261210), (90, 226382), (117, 174140), (130, 156726), (156, 130605), (180, 113191), (195, 104484), (234, 87070), (260, 78363), (390, 52242), (468, 43535), (585, 34828), (780, 26121), (1170, 17414), (2340, 8707)]