20215677020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13127063}}^1$

素因数の和:13127090

約数の個数: 48

約数和(自身を含む): 52928322048

約数和(自身を除く): 32712645028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 13127063, 26254126, 52508252, 65635315, 91889441, 131270630, 144397693, 183778882, 262541260, 288795386, 367557764, 459447205, 577590772, 721988465, 918894410, 1010783851, 1443976930, 1837788820, 2021567702, 2887953860, 4043135404, 5053919255, 10107838510, 20215677020]

約数ペア:

[(1, 20215677020), (2, 10107838510), (4, 5053919255), (5, 4043135404), (7, 2887953860), (10, 2021567702), (11, 1837788820), (14, 1443976930), (20, 1010783851), (22, 918894410), (28, 721988465), (35, 577590772), (44, 459447205), (55, 367557764), (70, 288795386), (77, 262541260), (110, 183778882), (140, 144397693), (154, 131270630), (220, 91889441), (308, 65635315), (385, 52508252), (770, 26254126), (1540, 13127063)]