20079240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1123}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 60696000

約数和(自身を除く): 40616760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1123, 1192, 1490, 1788, 2235, 2246, 2980, 3369, 3576, 4470, 4492, 5615, 5960, 6738, 8940, 8984, 11230, 13476, 16845, 17880, 22460, 26952, 33690, 44920, 67380, 134760, 167327, 334654, 501981, 669308, 836635, 1003962, 1338616, 1673270, 2007924, 2509905, 3346540, 4015848, 5019810, 6693080, 10039620, 20079240]

約数ペア:

[(1, 20079240), (2, 10039620), (3, 6693080), (4, 5019810), (5, 4015848), (6, 3346540), (8, 2509905), (10, 2007924), (12, 1673270), (15, 1338616), (20, 1003962), (24, 836635), (30, 669308), (40, 501981), (60, 334654), (120, 167327), (149, 134760), (298, 67380), (447, 44920), (596, 33690), (745, 26952), (894, 22460), (1123, 17880), (1192, 16845), (1490, 13476), (1788, 11230), (2235, 8984), (2246, 8940), (2980, 6738), (3369, 5960), (3576, 5615), (4470, 4492)]