20021870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16547}}^1$

素因数の和:16576

約数の個数: 24

約数和(自身を含む): 39615912

約数和(自身を除く): 19594042

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16547, 33094, 82735, 165470, 182017, 364034, 910085, 1820170, 2002187, 4004374, 10010935, 20021870]

約数ペア:

[(1, 20021870), (2, 10010935), (5, 4004374), (10, 2002187), (11, 1820170), (22, 910085), (55, 364034), (110, 182017), (121, 165470), (242, 82735), (605, 33094), (1210, 16547)]