20162079

素因数分解:

$3^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:500

約数の個数: 36

約数和(自身を含む): 34234200

約数和(自身を除く): 14072121

約数列:

[1, 3, 7, 9, 21, 49, 63, 131, 147, 349, 393, 441, 917, 1047, 1179, 2443, 2751, 3141, 6419, 7329, 8253, 17101, 19257, 21987, 45719, 51303, 57771, 137157, 153909, 320033, 411471, 960099, 2240231, 2880297, 6720693, 20162079]

約数ペア:

[(1, 20162079), (3, 6720693), (7, 2880297), (9, 2240231), (21, 960099), (49, 411471), (63, 320033), (131, 153909), (147, 137157), (349, 57771), (393, 51303), (441, 45719), (917, 21987), (1047, 19257), (1179, 17101), (2443, 8253), (2751, 7329), (3141, 6419)]