20163910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1423}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 39473280

約数和(自身を除く): 19309370

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 1423, 2834, 2846, 7085, 7115, 14170, 14230, 18499, 36998, 92495, 155107, 184990, 310214, 775535, 1551070, 2016391, 4032782, 10081955, 20163910]

約数ペア:

[(1, 20163910), (2, 10081955), (5, 4032782), (10, 2016391), (13, 1551070), (26, 775535), (65, 310214), (109, 184990), (130, 155107), (218, 92495), (545, 36998), (1090, 18499), (1417, 14230), (1423, 14170), (2834, 7115), (2846, 7085)]