20713688

素因数分解:

$2^3\times {\mathrm{659}}^1\times {\mathrm{3929}}^1$

素因数の和:4594

約数の個数: 16

約数和(自身を含む): 38907000

約数和(自身を除く): 18193312

約数列:

[1, 2, 4, 8, 659, 1318, 2636, 3929, 5272, 7858, 15716, 31432, 2589211, 5178422, 10356844, 20713688]

約数ペア:

[(1, 20713688), (2, 10356844), (4, 5178422), (8, 2589211), (659, 31432), (1318, 15716), (2636, 7858), (3929, 5272)]