20756456

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21803}}^1$

素因数の和:21833

約数の個数: 32

約数和(自身を含む): 47096640

約数和(自身を除く): 26340184

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21803, 43606, 87212, 152621, 174424, 305242, 370651, 610484, 741302, 1220968, 1482604, 2594557, 2965208, 5189114, 10378228, 20756456]

約数ペア:

[(1, 20756456), (2, 10378228), (4, 5189114), (7, 2965208), (8, 2594557), (14, 1482604), (17, 1220968), (28, 741302), (34, 610484), (56, 370651), (68, 305242), (119, 174424), (136, 152621), (238, 87212), (476, 43606), (952, 21803)]