20427832

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{461}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19488968

約数列:

[1, 2, 4, 8, 29, 58, 116, 191, 232, 382, 461, 764, 922, 1528, 1844, 3688, 5539, 11078, 13369, 22156, 26738, 44312, 53476, 88051, 106952, 176102, 352204, 704408, 2553479, 5106958, 10213916, 20427832]

約数ペア:

[(1, 20427832), (2, 10213916), (4, 5106958), (8, 2553479), (29, 704408), (58, 352204), (116, 176102), (191, 106952), (232, 88051), (382, 53476), (461, 44312), (764, 26738), (922, 22156), (1528, 13369), (1844, 11078), (3688, 5539)]