20426556

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 49996800

約数和(自身を除く): 29570244

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 79, 87, 116, 158, 174, 237, 316, 348, 474, 743, 948, 1486, 2229, 2291, 2972, 4458, 4582, 6873, 8916, 9164, 13746, 21547, 27492, 43094, 58697, 64641, 86188, 117394, 129282, 176091, 234788, 258564, 352182, 704364, 1702213, 3404426, 5106639, 6808852, 10213278, 20426556]

約数ペア:

[(1, 20426556), (2, 10213278), (3, 6808852), (4, 5106639), (6, 3404426), (12, 1702213), (29, 704364), (58, 352182), (79, 258564), (87, 234788), (116, 176091), (158, 129282), (174, 117394), (237, 86188), (316, 64641), (348, 58697), (474, 43094), (743, 27492), (948, 21547), (1486, 13746), (2229, 9164), (2291, 8916), (2972, 6873), (4458, 4582)]