20179876857

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{277}}^1\times {\mathrm{15149}}^1$

素因数の和:15665

約数の個数: 32

約数和(自身を含む): 30998112000

約数和(自身を除く): 10818235143

約数列:

[1, 3, 7, 21, 229, 277, 687, 831, 1603, 1939, 4809, 5817, 15149, 45447, 63433, 106043, 190299, 318129, 444031, 1332093, 3469121, 4196273, 10407363, 12588819, 24283847, 29373911, 72851541, 88121733, 960946517, 2882839551, 6726625619, 20179876857]

約数ペア:

[(1, 20179876857), (3, 6726625619), (7, 2882839551), (21, 960946517), (229, 88121733), (277, 72851541), (687, 29373911), (831, 24283847), (1603, 12588819), (1939, 10407363), (4809, 4196273), (5817, 3469121), (15149, 1332093), (45447, 444031), (63433, 318129), (106043, 190299)]