20713821

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1031}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 28549248

約数和(自身を除く): 7835427

約数列:

[1, 3, 37, 111, 181, 543, 1031, 3093, 6697, 20091, 38147, 114441, 186611, 559833, 6904607, 20713821]

約数ペア:

[(1, 20713821), (3, 6904607), (37, 559833), (111, 186611), (181, 114441), (543, 38147), (1031, 20091), (3093, 6697)]