20320807

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 22790880

約数和(自身を除く): 2470073

約数列:

[1, 13, 37, 83, 481, 509, 1079, 3071, 6617, 18833, 39923, 42247, 244829, 549211, 1563139, 20320807]

約数ペア:

[(1, 20320807), (13, 1563139), (37, 549211), (83, 244829), (481, 42247), (509, 39923), (1079, 18833), (3071, 6617)]