20168907460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3372727}}^1$

素因数の和:3372772

約数の個数: 48

約数和(自身を含む): 47595937536

約数和(自身を除く): 27427030076

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 3372727, 6745454, 13490908, 16863635, 33727270, 43845451, 67454540, 77572721, 87690902, 155145442, 175381804, 219227255, 310290884, 387863605, 438454510, 775727210, 876909020, 1008445373, 1551454420, 2016890746, 4033781492, 5042226865, 10084453730, 20168907460]

約数ペア:

[(1, 20168907460), (2, 10084453730), (4, 5042226865), (5, 4033781492), (10, 2016890746), (13, 1551454420), (20, 1008445373), (23, 876909020), (26, 775727210), (46, 438454510), (52, 387863605), (65, 310290884), (92, 219227255), (115, 175381804), (130, 155145442), (230, 87690902), (260, 77572721), (299, 67454540), (460, 43845451), (598, 33727270), (1196, 16863635), (1495, 13490908), (2990, 6745454), (5980, 3372727)]