20721626

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{2621}}^1$

素因数の和:2749

約数の個数: 16

約数和(自身を含む): 32093280

約数和(自身を除く): 11371654

約数列:

[1, 2, 59, 67, 118, 134, 2621, 3953, 5242, 7906, 154639, 175607, 309278, 351214, 10360813, 20721626]

約数ペア:

[(1, 20721626), (2, 10360813), (59, 351214), (67, 309278), (118, 175607), (134, 154639), (2621, 7906), (3953, 5242)]