12505020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18947}}^1$

素因数の和:18970

約数の個数: 48

約数和(自身を含む): 38199168

約数和(自身を除く): 25694148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 18947, 37894, 56841, 75788, 94735, 113682, 189470, 208417, 227364, 284205, 378940, 416834, 568410, 625251, 833668, 1042085, 1136820, 1250502, 2084170, 2501004, 3126255, 4168340, 6252510, 12505020]

約数ペア:

[(1, 12505020), (2, 6252510), (3, 4168340), (4, 3126255), (5, 2501004), (6, 2084170), (10, 1250502), (11, 1136820), (12, 1042085), (15, 833668), (20, 625251), (22, 568410), (30, 416834), (33, 378940), (44, 284205), (55, 227364), (60, 208417), (66, 189470), (110, 113682), (132, 94735), (165, 75788), (220, 56841), (330, 37894), (660, 18947)]