20463261

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3259}}^1$

素因数の和:3305

約数の個数: 32

約数和(自身を含む): 35051520

約数和(自身を除く): 14588259

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 3259, 6279, 9777, 22813, 42367, 68439, 74957, 127101, 224871, 296569, 524699, 889707, 974441, 1574097, 2923323, 6821087, 20463261]

約数ペア:

[(1, 20463261), (3, 6821087), (7, 2923323), (13, 1574097), (21, 974441), (23, 889707), (39, 524699), (69, 296569), (91, 224871), (161, 127101), (273, 74957), (299, 68439), (483, 42367), (897, 22813), (2093, 9777), (3259, 6279)]