20661316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1583}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 39118464

約数和(自身を除く): 18457148

約数列:

[1, 2, 4, 13, 26, 52, 251, 502, 1004, 1583, 3166, 3263, 6332, 6526, 13052, 20579, 41158, 82316, 397333, 794666, 1589332, 5165329, 10330658, 20661316]

約数ペア:

[(1, 20661316), (2, 10330658), (4, 5165329), (13, 1589332), (26, 794666), (52, 397333), (251, 82316), (502, 41158), (1004, 20579), (1583, 13052), (3166, 6526), (3263, 6332)]