20807176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3391}}^1$

素因数の和:3469

約数の個数: 32

約数和(自身を含む): 42739200

約数和(自身を除く): 21932024

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 3391, 6136, 6782, 13564, 27128, 44083, 88166, 176332, 200069, 352664, 400138, 800276, 1600552, 2600897, 5201794, 10403588, 20807176]

約数ペア:

[(1, 20807176), (2, 10403588), (4, 5201794), (8, 2600897), (13, 1600552), (26, 800276), (52, 400138), (59, 352664), (104, 200069), (118, 176332), (236, 88166), (472, 44083), (767, 27128), (1534, 13564), (3068, 6782), (3391, 6136)]