20147803809

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23400469}}^1$

素因数の和:23400520

約数の個数: 16

約数和(自身を含む): 31450231680

約数和(自身を除く): 11302427871

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23400469, 70201407, 163803283, 491409849, 959419229, 2878257687, 6715934603, 20147803809]

約数ペア:

[(1, 20147803809), (3, 6715934603), (7, 2878257687), (21, 959419229), (41, 491409849), (123, 163803283), (287, 70201407), (861, 23400469)]