20890290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{696343}}^1$

素因数の和:696353

約数の個数: 16

約数和(自身を含む): 50136768

約数和(自身を除く): 29246478

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 696343, 1392686, 2089029, 3481715, 4178058, 6963430, 10445145, 20890290]

約数ペア:

[(1, 20890290), (2, 10445145), (3, 6963430), (5, 4178058), (6, 3481715), (10, 2089029), (15, 1392686), (30, 696343)]