20542430

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28933}}^1$

素因数の和:29011

約数の個数: 16

約数和(自身を含む): 37498464

約数和(自身を除く): 16956034

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28933, 57866, 144665, 289330, 2054243, 4108486, 10271215, 20542430]

約数ペア:

[(1, 20542430), (2, 10271215), (5, 4108486), (10, 2054243), (71, 289330), (142, 144665), (355, 57866), (710, 28933)]