20497212

素因数分解:

$2^2\times 3^4\times {\mathrm{41}}^1\times {\mathrm{1543}}^1$

素因数の和:1600

約数の個数: 60

約数和(自身を含む): 54926256

約数和(自身を除く): 34429044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 81, 82, 108, 123, 162, 164, 246, 324, 369, 492, 738, 1107, 1476, 1543, 2214, 3086, 3321, 4428, 4629, 6172, 6642, 9258, 13284, 13887, 18516, 27774, 41661, 55548, 63263, 83322, 124983, 126526, 166644, 189789, 249966, 253052, 379578, 499932, 569367, 759156, 1138734, 1708101, 2277468, 3416202, 5124303, 6832404, 10248606, 20497212]

約数ペア:

[(1, 20497212), (2, 10248606), (3, 6832404), (4, 5124303), (6, 3416202), (9, 2277468), (12, 1708101), (18, 1138734), (27, 759156), (36, 569367), (41, 499932), (54, 379578), (81, 253052), (82, 249966), (108, 189789), (123, 166644), (162, 126526), (164, 124983), (246, 83322), (324, 63263), (369, 55548), (492, 41661), (738, 27774), (1107, 18516), (1476, 13887), (1543, 13284), (2214, 9258), (3086, 6642), (3321, 6172), (4428, 4629)]