20153087241

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6112553}}^1$

素因数の和:6112720

約数の個数: 16

約数和(自身を含む): 30905073024

約数和(自身を除く): 10751985783

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 6112553, 18337659, 42787871, 128363613, 959670821, 2879012463, 6717695747, 20153087241]

約数ペア:

[(1, 20153087241), (3, 6717695747), (7, 2879012463), (21, 959670821), (157, 128363613), (471, 42787871), (1099, 18337659), (3297, 6112553)]