20558468

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1831}}^1$

素因数の和:2243

約数の個数: 24

約数和(自身を含む): 41241984

約数和(自身を除く): 20683516

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 1831, 2807, 3662, 5614, 7324, 11228, 12817, 25634, 51268, 734231, 1468462, 2936924, 5139617, 10279234, 20558468]

約数ペア:

[(1, 20558468), (2, 10279234), (4, 5139617), (7, 2936924), (14, 1468462), (28, 734231), (401, 51268), (802, 25634), (1604, 12817), (1831, 11228), (2807, 7324), (3662, 5614)]