16420664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3851}}^1$

素因数の和:3911

約数の個数: 32

約数和(自身を含む): 33974640

約数和(自身を除く): 17553976

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 3851, 4264, 7702, 15404, 30808, 50063, 100126, 157891, 200252, 315782, 400504, 631564, 1263128, 2052583, 4105166, 8210332, 16420664]

約数ペア:

[(1, 16420664), (2, 8210332), (4, 4105166), (8, 2052583), (13, 1263128), (26, 631564), (41, 400504), (52, 315782), (82, 200252), (104, 157891), (164, 100126), (328, 50063), (533, 30808), (1066, 15404), (2132, 7702), (3851, 4264)]