20186055920

素因数分解:

$2^4\times 5^1\times {\mathrm{31271}}^1\times {\mathrm{8069}}^1$

素因数の和:39353

約数の個数: 40

約数和(自身を含む): 46939897440

約数和(自身を除く): 26753841520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8069, 16138, 31271, 32276, 40345, 62542, 64552, 80690, 125084, 129104, 156355, 161380, 250168, 312710, 322760, 500336, 625420, 645520, 1250840, 2501680, 252325699, 504651398, 1009302796, 1261628495, 2018605592, 2523256990, 4037211184, 5046513980, 10093027960, 20186055920]

約数ペア:

[(1, 20186055920), (2, 10093027960), (4, 5046513980), (5, 4037211184), (8, 2523256990), (10, 2018605592), (16, 1261628495), (20, 1009302796), (40, 504651398), (80, 252325699), (8069, 2501680), (16138, 1250840), (31271, 645520), (32276, 625420), (40345, 500336), (62542, 322760), (64552, 312710), (80690, 250168), (125084, 161380), (129104, 156355)]