20557890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{228421}}^1$

素因数の和:228434

約数の個数: 24

約数和(自身を含む): 53450748

約数和(自身を除く): 32892858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 228421, 456842, 685263, 1142105, 1370526, 2055789, 2284210, 3426315, 4111578, 6852630, 10278945, 20557890]

約数ペア:

[(1, 20557890), (2, 10278945), (3, 6852630), (5, 4111578), (6, 3426315), (9, 2284210), (10, 2055789), (15, 1370526), (18, 1142105), (30, 685263), (45, 456842), (90, 228421)]