20348611240

素因数分解:

$2^3\times 5^1\times {\mathrm{58601}}^1\times {\mathrm{8681}}^1$

素因数の和:67293

約数の個数: 32

約数和(自身を含む): 45790430760

約数和(自身を除く): 25441819520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8681, 17362, 34724, 43405, 58601, 69448, 86810, 117202, 173620, 234404, 293005, 347240, 468808, 586010, 1172020, 2344040, 508715281, 1017430562, 2034861124, 2543576405, 4069722248, 5087152810, 10174305620, 20348611240]

約数ペア:

[(1, 20348611240), (2, 10174305620), (4, 5087152810), (5, 4069722248), (8, 2543576405), (10, 2034861124), (20, 1017430562), (40, 508715281), (8681, 2344040), (17362, 1172020), (34724, 586010), (43405, 468808), (58601, 347240), (69448, 293005), (86810, 234404), (117202, 173620)]