20499726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2953}}^1$

素因数の和:3060

約数の個数: 32

約数和(自身を含む): 44664480

約数和(自身を除く): 24164754

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 2314, 2953, 3471, 5906, 6942, 8859, 17718, 38389, 76778, 115167, 230334, 262817, 525634, 788451, 1576902, 3416621, 6833242, 10249863, 20499726]

約数ペア:

[(1, 20499726), (2, 10249863), (3, 6833242), (6, 3416621), (13, 1576902), (26, 788451), (39, 525634), (78, 262817), (89, 230334), (178, 115167), (267, 76778), (534, 38389), (1157, 17718), (2314, 8859), (2953, 6942), (3471, 5906)]