20466992

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14057}}^1$

素因数の和:14085

約数の個数: 40

約数和(自身を含む): 48809376

約数和(自身を除く): 28342384

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14057, 28114, 56228, 98399, 112456, 182741, 196798, 224912, 365482, 393596, 730964, 787192, 1279187, 1461928, 1574384, 2558374, 2923856, 5116748, 10233496, 20466992]

約数ペア:

[(1, 20466992), (2, 10233496), (4, 5116748), (7, 2923856), (8, 2558374), (13, 1574384), (14, 1461928), (16, 1279187), (26, 787192), (28, 730964), (52, 393596), (56, 365482), (91, 224912), (104, 196798), (112, 182741), (182, 112456), (208, 98399), (364, 56228), (728, 28114), (1456, 14057)]