20230990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11971}}^1$

素因数の和:12004

約数の個数: 24

約数和(自身を含む): 39435768

約数和(自身を除く): 19204778

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11971, 23942, 59855, 119710, 155623, 311246, 778115, 1556230, 2023099, 4046198, 10115495, 20230990]

約数ペア:

[(1, 20230990), (2, 10115495), (5, 4046198), (10, 2023099), (13, 1556230), (26, 778115), (65, 311246), (130, 155623), (169, 119710), (338, 59855), (845, 23942), (1690, 11971)]