20099933

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2521}}^1$

素因数の和:2612

約数の個数: 16

約数和(自身を含む): 24695424

約数和(自身を除く): 4595491

約数列:

[1, 7, 17, 67, 119, 469, 1139, 2521, 7973, 17647, 42857, 168907, 299999, 1182349, 2871419, 20099933]

約数ペア:

[(1, 20099933), (7, 2871419), (17, 1182349), (67, 299999), (119, 168907), (469, 42857), (1139, 17647), (2521, 7973)]