20741310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{727}}^1$

素因数の和:1057

約数の個数: 48

約数和(自身を含む): 54171936

約数和(自身を除く): 33430626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 317, 634, 727, 951, 1454, 1585, 1902, 2181, 2853, 3170, 3635, 4362, 4755, 5706, 6543, 7270, 9510, 10905, 13086, 14265, 21810, 28530, 32715, 65430, 230459, 460918, 691377, 1152295, 1382754, 2074131, 2304590, 3456885, 4148262, 6913770, 10370655, 20741310]

約数ペア:

[(1, 20741310), (2, 10370655), (3, 6913770), (5, 4148262), (6, 3456885), (9, 2304590), (10, 2074131), (15, 1382754), (18, 1152295), (30, 691377), (45, 460918), (90, 230459), (317, 65430), (634, 32715), (727, 28530), (951, 21810), (1454, 14265), (1585, 13086), (1902, 10905), (2181, 9510), (2853, 7270), (3170, 6543), (3635, 5706), (4362, 4755)]