20103573

素因数分解:

$3^1\times 7^4\times {\mathrm{2791}}^1$

素因数の和:2822

約数の個数: 20

約数和(自身を含む): 31281568

約数和(自身を除く): 11177995

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 2791, 7203, 8373, 19537, 58611, 136759, 410277, 957313, 2871939, 6701191, 20103573]

約数ペア:

[(1, 20103573), (3, 6701191), (7, 2871939), (21, 957313), (49, 410277), (147, 136759), (343, 58611), (1029, 19537), (2401, 8373), (2791, 7203)]