20381830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{291169}}^1$

素因数の和:291183

約数の個数: 16

約数和(自身を含む): 41928480

約数和(自身を除く): 21546650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 291169, 582338, 1455845, 2038183, 2911690, 4076366, 10190915, 20381830]

約数ペア:

[(1, 20381830), (2, 10190915), (5, 4076366), (7, 2911690), (10, 2038183), (14, 1455845), (35, 582338), (70, 291169)]