20499810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23563}}^1$

素因数の和:23602

約数の個数: 32

約数和(自身を含む): 50898240

約数和(自身を除く): 30398430

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 23563, 47126, 70689, 117815, 141378, 235630, 353445, 683327, 706890, 1366654, 2049981, 3416635, 4099962, 6833270, 10249905, 20499810]

約数ペア:

[(1, 20499810), (2, 10249905), (3, 6833270), (5, 4099962), (6, 3416635), (10, 2049981), (15, 1366654), (29, 706890), (30, 683327), (58, 353445), (87, 235630), (145, 141378), (174, 117815), (290, 70689), (435, 47126), (870, 23563)]