20404830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680161}}^1$

素因数の和:680171

約数の個数: 16

約数和(自身を含む): 48971664

約数和(自身を除く): 28566834

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680161, 1360322, 2040483, 3400805, 4080966, 6801610, 10202415, 20404830]

約数ペア:

[(1, 20404830), (2, 10202415), (3, 6801610), (5, 4080966), (6, 3400805), (10, 2040483), (15, 1360322), (30, 680161)]