20290256

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6247}}^1$

素因数の和:6291

約数の個数: 40

約数和(自身を含む): 46485120

約数和(自身を除く): 26194864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6247, 12494, 24988, 43729, 49976, 87458, 99952, 174916, 181163, 349832, 362326, 699664, 724652, 1268141, 1449304, 2536282, 2898608, 5072564, 10145128, 20290256]

約数ペア:

[(1, 20290256), (2, 10145128), (4, 5072564), (7, 2898608), (8, 2536282), (14, 1449304), (16, 1268141), (28, 724652), (29, 699664), (56, 362326), (58, 349832), (112, 181163), (116, 174916), (203, 99952), (232, 87458), (406, 49976), (464, 43729), (812, 24988), (1624, 12494), (3248, 6247)]