20210935670

素因数分解:

$2^1\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{1242221}}^1$

素因数の和:1243855

約数の個数: 16

約数和(自身を含む): 36402073488

約数和(自身を除く): 16191137818

約数列:

[1, 2, 5, 10, 1627, 3254, 8135, 16270, 1242221, 2484442, 6211105, 12422210, 2021093567, 4042187134, 10105467835, 20210935670]

約数ペア:

[(1, 20210935670), (2, 10105467835), (5, 4042187134), (10, 2021093567), (1627, 12422210), (3254, 6211105), (8135, 2484442), (16270, 1242221)]