20584450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 41307624

約数和(自身を除く): 20723174

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 61, 85, 122, 170, 305, 397, 425, 610, 794, 850, 1037, 1525, 1985, 2074, 3050, 3970, 5185, 6749, 9925, 10370, 13498, 19850, 24217, 25925, 33745, 48434, 51850, 67490, 121085, 168725, 242170, 337450, 411689, 605425, 823378, 1210850, 2058445, 4116890, 10292225, 20584450]

約数ペア:

[(1, 20584450), (2, 10292225), (5, 4116890), (10, 2058445), (17, 1210850), (25, 823378), (34, 605425), (50, 411689), (61, 337450), (85, 242170), (122, 168725), (170, 121085), (305, 67490), (397, 51850), (425, 48434), (610, 33745), (794, 25925), (850, 24217), (1037, 19850), (1525, 13498), (1985, 10370), (2074, 9925), (3050, 6749), (3970, 5185)]