20437634

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 16368766

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 709, 994, 1418, 2059, 4118, 4963, 9926, 14413, 20561, 28826, 41122, 50339, 100678, 143927, 287854, 352373, 704746, 1459831, 2919662, 10218817, 20437634]

約数ペア:

[(1, 20437634), (2, 10218817), (7, 2919662), (14, 1459831), (29, 704746), (58, 352373), (71, 287854), (142, 143927), (203, 100678), (406, 50339), (497, 41122), (709, 28826), (994, 20561), (1418, 14413), (2059, 9926), (4118, 4963)]