20462130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17489}}^1$

素因数の和:17515

約数の個数: 48

約数和(自身を含む): 57297240

約数和(自身を除く): 36835110

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17489, 34978, 52467, 87445, 104934, 157401, 174890, 227357, 262335, 314802, 454714, 524670, 682071, 787005, 1136785, 1364142, 1574010, 2046213, 2273570, 3410355, 4092426, 6820710, 10231065, 20462130]

約数ペア:

[(1, 20462130), (2, 10231065), (3, 6820710), (5, 4092426), (6, 3410355), (9, 2273570), (10, 2046213), (13, 1574010), (15, 1364142), (18, 1136785), (26, 787005), (30, 682071), (39, 524670), (45, 454714), (65, 314802), (78, 262335), (90, 227357), (117, 174890), (130, 157401), (195, 104934), (234, 87445), (390, 52467), (585, 34978), (1170, 17489)]