20213593090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65205139}}^1$

素因数の和:65205177

約数の個数: 16

約数和(自身を含む): 37558160640

約数和(自身を除く): 17344567550

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 65205139, 130410278, 326025695, 652051390, 2021359309, 4042718618, 10106796545, 20213593090]

約数ペア:

[(1, 20213593090), (2, 10106796545), (5, 4042718618), (10, 2021359309), (31, 652051390), (62, 326025695), (155, 130410278), (310, 65205139)]