20936181

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1951}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 32934144

約数和(自身を除く): 11997963

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 1951, 3577, 5853, 10731, 13657, 40971, 95599, 142423, 286797, 427269, 996961, 2990883, 6978727, 20936181]

約数ペア:

[(1, 20936181), (3, 6978727), (7, 2990883), (21, 996961), (49, 427269), (73, 286797), (147, 142423), (219, 95599), (511, 40971), (1533, 13657), (1951, 10731), (3577, 5853)]