20455884

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{13859}}^1$

素因数の和:13910

約数の個数: 36

約数和(自身を含む): 52972920

約数和(自身を除く): 32517036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 13859, 27718, 41577, 55436, 83154, 124731, 166308, 249462, 498924, 568219, 1136438, 1704657, 2272876, 3409314, 5113971, 6818628, 10227942, 20455884]

約数ペア:

[(1, 20455884), (2, 10227942), (3, 6818628), (4, 5113971), (6, 3409314), (9, 2272876), (12, 1704657), (18, 1136438), (36, 568219), (41, 498924), (82, 249462), (123, 166308), (164, 124731), (246, 83154), (369, 55436), (492, 41577), (738, 27718), (1476, 13859)]