20903210

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{14029}}^1$

素因数の和:14185

約数の個数: 16

約数和(自身を含む): 37881000

約数和(自身を除く): 16977790

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 14029, 28058, 70145, 140290, 2090321, 4180642, 10451605, 20903210]

約数ペア:

[(1, 20903210), (2, 10451605), (5, 4180642), (10, 2090321), (149, 140290), (298, 70145), (745, 28058), (1490, 14029)]