20080908

素因数分解:

$2^2\times 3^2\times {\mathrm{557803}}^1$

素因数の和:557813

約数の個数: 18

約数和(自身を含む): 50760164

約数和(自身を除く): 30679256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 557803, 1115606, 1673409, 2231212, 3346818, 5020227, 6693636, 10040454, 20080908]

約数ペア:

[(1, 20080908), (2, 10040454), (3, 6693636), (4, 5020227), (6, 3346818), (9, 2231212), (12, 1673409), (18, 1115606), (36, 557803)]