20804940123

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17039263}}^1$

素因数の和:17039314

約数の個数: 16

約数和(自身を含む): 31079617536

約数和(自身を除く): 10274677413

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 17039263, 51117789, 187431893, 562295679, 630452731, 1891358193, 6934980041, 20804940123]

約数ペア:

[(1, 20804940123), (3, 6934980041), (11, 1891358193), (33, 630452731), (37, 562295679), (111, 187431893), (407, 51117789), (1221, 17039263)]