20210571390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{673685713}}^1$

素因数の和:673685723

約数の個数: 16

約数和(自身を含む): 48505371408

約数和(自身を除く): 28294800018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 673685713, 1347371426, 2021057139, 3368428565, 4042114278, 6736857130, 10105285695, 20210571390]

約数ペア:

[(1, 20210571390), (2, 10105285695), (3, 6736857130), (5, 4042114278), (6, 3368428565), (10, 2021057139), (15, 1347371426), (30, 673685713)]