20406988812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{242940343}}^1$

素因数の和:242940357

約数の個数: 24

約数和(自身を含む): 54418637056

約数和(自身を除く): 34011648244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 242940343, 485880686, 728821029, 971761372, 1457642058, 1700582401, 2915284116, 3401164802, 5101747203, 6802329604, 10203494406, 20406988812]

約数ペア:

[(1, 20406988812), (2, 10203494406), (3, 6802329604), (4, 5101747203), (6, 3401164802), (7, 2915284116), (12, 1700582401), (14, 1457642058), (21, 971761372), (28, 728821029), (42, 485880686), (84, 242940343)]