20649410

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1129}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 39052800

約数和(自身を除く): 18403390

約数列:

[1, 2, 5, 10, 31, 59, 62, 118, 155, 295, 310, 590, 1129, 1829, 2258, 3658, 5645, 9145, 11290, 18290, 34999, 66611, 69998, 133222, 174995, 333055, 349990, 666110, 2064941, 4129882, 10324705, 20649410]

約数ペア:

[(1, 20649410), (2, 10324705), (5, 4129882), (10, 2064941), (31, 666110), (59, 349990), (62, 333055), (118, 174995), (155, 133222), (295, 69998), (310, 66611), (590, 34999), (1129, 18290), (1829, 11290), (2258, 9145), (3658, 5645)]