20868390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{231871}}^1$

素因数の和:231884

約数の個数: 24

約数和(自身を含む): 54258048

約数和(自身を除く): 33389658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 231871, 463742, 695613, 1159355, 1391226, 2086839, 2318710, 3478065, 4173678, 6956130, 10434195, 20868390]

約数ペア:

[(1, 20868390), (2, 10434195), (3, 6956130), (5, 4173678), (6, 3478065), (9, 2318710), (10, 2086839), (15, 1391226), (18, 1159355), (30, 695613), (45, 463742), (90, 231871)]