20586475

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9049}}^1$

素因数の和:9079

約数の個数: 24

約数和(自身を含む): 31421600

約数和(自身を除く): 10835125

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 9049, 45245, 63343, 117637, 226225, 316715, 588185, 823459, 1583575, 2940925, 4117295, 20586475]

約数ペア:

[(1, 20586475), (5, 4117295), (7, 2940925), (13, 1583575), (25, 823459), (35, 588185), (65, 316715), (91, 226225), (175, 117637), (325, 63343), (455, 45245), (2275, 9049)]