20806830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21017}}^1$

素因数の和:21041

約数の個数: 48

約数和(自身を含む): 59018544

約数和(自身を除く): 38211714

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21017, 42034, 63051, 105085, 126102, 189153, 210170, 231187, 315255, 378306, 462374, 630510, 693561, 945765, 1155935, 1387122, 1891530, 2080683, 2311870, 3467805, 4161366, 6935610, 10403415, 20806830]

約数ペア:

[(1, 20806830), (2, 10403415), (3, 6935610), (5, 4161366), (6, 3467805), (9, 2311870), (10, 2080683), (11, 1891530), (15, 1387122), (18, 1155935), (22, 945765), (30, 693561), (33, 630510), (45, 462374), (55, 378306), (66, 315255), (90, 231187), (99, 210170), (110, 189153), (165, 126102), (198, 105085), (330, 63051), (495, 42034), (990, 21017)]