20574735

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19319}}^1$

素因数の和:19398

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 12810225

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19319, 57957, 96595, 289785, 1371649, 4114947, 6858245, 20574735]

約数ペア:

[(1, 20574735), (3, 6858245), (5, 4114947), (15, 1371649), (71, 289785), (213, 96595), (355, 57957), (1065, 19319)]