20108708

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 36524544

約数和(自身を除く): 16415836

約数列:

[1, 2, 4, 31, 62, 124, 257, 514, 631, 1028, 1262, 2524, 7967, 15934, 19561, 31868, 39122, 78244, 162167, 324334, 648668, 5027177, 10054354, 20108708]

約数ペア:

[(1, 20108708), (2, 10054354), (4, 5027177), (31, 648668), (62, 324334), (124, 162167), (257, 78244), (514, 39122), (631, 31868), (1028, 19561), (1262, 15934), (2524, 7967)]