20996957614

素因数分解:

$2^1\times {\mathrm{397}}^1\times {\mathrm{1307}}^1\times {\mathrm{20233}}^1$

素因数の和:21939

約数の個数: 16

約数和(自身を含む): 31600489968

約数和(自身を除く): 10603532354

約数列:

[1, 2, 397, 794, 1307, 2614, 20233, 40466, 518879, 1037758, 8032501, 16065002, 26444531, 52889062, 10498478807, 20996957614]

約数ペア:

[(1, 20996957614), (2, 10498478807), (397, 52889062), (794, 26444531), (1307, 16065002), (2614, 8032501), (20233, 1037758), (40466, 518879)]