20752376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{461}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 41413680

約数和(自身を除く): 20661304

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 331, 461, 662, 922, 1324, 1844, 2648, 3688, 5627, 7837, 11254, 15674, 22508, 31348, 45016, 62696, 152591, 305182, 610364, 1220728, 2594047, 5188094, 10376188, 20752376]

約数ペア:

[(1, 20752376), (2, 10376188), (4, 5188094), (8, 2594047), (17, 1220728), (34, 610364), (68, 305182), (136, 152591), (331, 62696), (461, 45016), (662, 31348), (922, 22508), (1324, 15674), (1844, 11254), (2648, 7837), (3688, 5627)]