20100145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2837}}^1$

素因数の和:2964

約数の個数: 16

約数和(自身を含む): 26223120

約数和(自身を除く): 6122975

約数列:

[1, 5, 13, 65, 109, 545, 1417, 2837, 7085, 14185, 36881, 184405, 309233, 1546165, 4020029, 20100145]

約数ペア:

[(1, 20100145), (5, 4020029), (13, 1546165), (65, 309233), (109, 184405), (545, 36881), (1417, 14185), (2837, 7085)]