20969737011

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1\times {\mathrm{1877}}^1$

素因数の和:2808

約数の個数: 48

約数和(自身を含む): 32343667200

約数和(自身を除く): 11373930189

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 827, 1501, 1877, 2481, 4503, 5631, 7443, 13509, 15713, 16893, 35663, 47139, 65333, 106989, 141417, 148283, 195999, 320967, 444849, 587997, 1241327, 1334547, 1552279, 2817377, 3723981, 4656837, 8452131, 11171943, 13970511, 25356393, 29493301, 88479903, 122630041, 265439709, 367890123, 1103670369, 2329970779, 6989912337, 20969737011]

約数ペア:

[(1, 20969737011), (3, 6989912337), (9, 2329970779), (19, 1103670369), (57, 367890123), (79, 265439709), (171, 122630041), (237, 88479903), (711, 29493301), (827, 25356393), (1501, 13970511), (1877, 11171943), (2481, 8452131), (4503, 4656837), (5631, 3723981), (7443, 2817377), (13509, 1552279), (15713, 1334547), (16893, 1241327), (35663, 587997), (47139, 444849), (65333, 320967), (106989, 195999), (141417, 148283)]