20258854

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18793}}^1$

素因数の和:18820

約数の個数: 24

約数和(自身を含む): 38565288

約数和(自身を除く): 18306434

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18793, 37586, 131551, 206723, 263102, 413446, 920857, 1447061, 1841714, 2894122, 10129427, 20258854]

約数ペア:

[(1, 20258854), (2, 10129427), (7, 2894122), (11, 1841714), (14, 1447061), (22, 920857), (49, 413446), (77, 263102), (98, 206723), (154, 131551), (539, 37586), (1078, 18793)]