20641204

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2927}}^1$

素因数の和:3015

約数の個数: 24

約数和(自身を含む): 37876608

約数和(自身を除く): 17235404

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 2927, 3526, 5854, 7052, 11708, 120007, 125861, 240014, 251722, 480028, 503444, 5160301, 10320602, 20641204]

約数ペア:

[(1, 20641204), (2, 10320602), (4, 5160301), (41, 503444), (43, 480028), (82, 251722), (86, 240014), (164, 125861), (172, 120007), (1763, 11708), (2927, 7052), (3526, 5854)]