20214684

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{2971}}^1$

素因数の和:2997

約数の個数: 72

約数和(自身を含む): 60581248

約数和(自身を除く): 40366564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 2971, 3402, 5942, 6804, 8913, 11884, 17826, 20797, 26739, 35652, 41594, 53478, 62391, 80217, 83188, 106956, 124782, 160434, 187173, 240651, 249564, 320868, 374346, 481302, 561519, 721953, 748692, 962604, 1123038, 1443906, 1684557, 2246076, 2887812, 3369114, 5053671, 6738228, 10107342, 20214684]

約数ペア:

[(1, 20214684), (2, 10107342), (3, 6738228), (4, 5053671), (6, 3369114), (7, 2887812), (9, 2246076), (12, 1684557), (14, 1443906), (18, 1123038), (21, 962604), (27, 748692), (28, 721953), (36, 561519), (42, 481302), (54, 374346), (63, 320868), (81, 249564), (84, 240651), (108, 187173), (126, 160434), (162, 124782), (189, 106956), (243, 83188), (252, 80217), (324, 62391), (378, 53478), (486, 41594), (567, 35652), (756, 26739), (972, 20797), (1134, 17826), (1701, 11884), (2268, 8913), (2971, 6804), (3402, 5942)]