20210694505

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{263383}}^1$

素因数の和:263640

約数の個数: 16

約数和(自身を含む): 24652742400

約数和(自身を除く): 4442047895

約数列:

[1, 5, 103, 149, 515, 745, 15347, 76735, 263383, 1316915, 27128449, 39244067, 135642245, 196220335, 4042138901, 20210694505]

約数ペア:

[(1, 20210694505), (5, 4042138901), (103, 196220335), (149, 135642245), (515, 39244067), (745, 27128449), (15347, 1316915), (76735, 263383)]