20194696850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{487}}^1\times {\mathrm{11681}}^1$

素因数の和:12251

約数の個数: 48

約数和(自身を含む): 38172663936

約数和(自身を除く): 17977967086

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 487, 710, 974, 1775, 2435, 3550, 4870, 11681, 12175, 23362, 24350, 34577, 58405, 69154, 116810, 172885, 292025, 345770, 584050, 829351, 864425, 1658702, 1728850, 4146755, 5688647, 8293510, 11377294, 20733775, 28443235, 41467550, 56886470, 142216175, 284432350, 403893937, 807787874, 2019469685, 4038939370, 10097348425, 20194696850]

約数ペア:

[(1, 20194696850), (2, 10097348425), (5, 4038939370), (10, 2019469685), (25, 807787874), (50, 403893937), (71, 284432350), (142, 142216175), (355, 56886470), (487, 41467550), (710, 28443235), (974, 20733775), (1775, 11377294), (2435, 8293510), (3550, 5688647), (4870, 4146755), (11681, 1728850), (12175, 1658702), (23362, 864425), (24350, 829351), (34577, 584050), (58405, 345770), (69154, 292025), (116810, 172885)]