20539930

素因数分解:

$2^1\times 5^1\times {\mathrm{617}}^1\times {\mathrm{3329}}^1$

素因数の和:3953

約数の個数: 16

約数和(自身を含む): 37042920

約数和(自身を除く): 16502990

約数列:

[1, 2, 5, 10, 617, 1234, 3085, 3329, 6170, 6658, 16645, 33290, 2053993, 4107986, 10269965, 20539930]

約数ペア:

[(1, 20539930), (2, 10269965), (5, 4107986), (10, 2053993), (617, 33290), (1234, 16645), (3085, 6658), (3329, 6170)]