20233980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8647}}^1$

素因数の和:8675

約数の個数: 72

約数和(自身を含む): 66105312

約数和(自身を除く): 45871332

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, 8647, 17294, 25941, 34588, 43235, 51882, 77823, 86470, 103764, 112411, 129705, 155646, 172940, 224822, 259410, 311292, 337233, 389115, 449644, 518820, 562055, 674466, 778230, 1011699, 1124110, 1348932, 1556460, 1686165, 2023398, 2248220, 3372330, 4046796, 5058495, 6744660, 10116990, 20233980]

約数ペア:

[(1, 20233980), (2, 10116990), (3, 6744660), (4, 5058495), (5, 4046796), (6, 3372330), (9, 2248220), (10, 2023398), (12, 1686165), (13, 1556460), (15, 1348932), (18, 1124110), (20, 1011699), (26, 778230), (30, 674466), (36, 562055), (39, 518820), (45, 449644), (52, 389115), (60, 337233), (65, 311292), (78, 259410), (90, 224822), (117, 172940), (130, 155646), (156, 129705), (180, 112411), (195, 103764), (234, 86470), (260, 77823), (390, 51882), (468, 43235), (585, 34588), (780, 25941), (1170, 17294), (2340, 8647)]