20329491

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 13378029

約数列:

[1, 3, 7, 13, 21, 39, 91, 113, 273, 339, 659, 791, 1469, 1977, 2373, 4407, 4613, 8567, 10283, 13839, 25701, 30849, 59969, 74467, 179907, 223401, 521269, 968071, 1563807, 2904213, 6776497, 20329491]

約数ペア:

[(1, 20329491), (3, 6776497), (7, 2904213), (13, 1563807), (21, 968071), (39, 521269), (91, 223401), (113, 179907), (273, 74467), (339, 59969), (659, 30849), (791, 25701), (1469, 13839), (1977, 10283), (2373, 8567), (4407, 4613)]