20702806

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{4129}}^1$

素因数の和:4263

約数の個数: 16

約数和(自身を含む): 32709600

約数和(自身を除く): 12006794

約数列:

[1, 2, 23, 46, 109, 218, 2507, 4129, 5014, 8258, 94967, 189934, 450061, 900122, 10351403, 20702806]

約数ペア:

[(1, 20702806), (2, 10351403), (23, 900122), (46, 450061), (109, 189934), (218, 94967), (2507, 8258), (4129, 5014)]