20712804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1291}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 55566336

約数和(自身を除く): 34853532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 191, 382, 573, 764, 1146, 1291, 1337, 2292, 2582, 2674, 3873, 4011, 5164, 5348, 7746, 8022, 9037, 15492, 16044, 18074, 27111, 36148, 54222, 108444, 246581, 493162, 739743, 986324, 1479486, 1726067, 2958972, 3452134, 5178201, 6904268, 10356402, 20712804]

約数ペア:

[(1, 20712804), (2, 10356402), (3, 6904268), (4, 5178201), (6, 3452134), (7, 2958972), (12, 1726067), (14, 1479486), (21, 986324), (28, 739743), (42, 493162), (84, 246581), (191, 108444), (382, 54222), (573, 36148), (764, 27111), (1146, 18074), (1291, 16044), (1337, 15492), (2292, 9037), (2582, 8022), (2674, 7746), (3873, 5348), (4011, 5164)]