20161747268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1474243}}^1$

素因数の和:1474523

約数の個数: 24

約数和(自身を含む): 38141640768

約数和(自身を除く): 17979893500

約数列:

[1, 2, 4, 13, 26, 52, 263, 526, 1052, 3419, 6838, 13676, 1474243, 2948486, 5896972, 19165159, 38330318, 76660636, 387725909, 775451818, 1550903636, 5040436817, 10080873634, 20161747268]

約数ペア:

[(1, 20161747268), (2, 10080873634), (4, 5040436817), (13, 1550903636), (26, 775451818), (52, 387725909), (263, 76660636), (526, 38330318), (1052, 19165159), (3419, 5896972), (6838, 2948486), (13676, 1474243)]