20957198

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{5393}}^1$

素因数の和:5491

約数の個数: 16

約数和(自身を含む): 33011280

約数和(自身を除く): 12054082

約数列:

[1, 2, 29, 58, 67, 134, 1943, 3886, 5393, 10786, 156397, 312794, 361331, 722662, 10478599, 20957198]

約数ペア:

[(1, 20957198), (2, 10478599), (29, 722662), (58, 361331), (67, 312794), (134, 156397), (1943, 10786), (3886, 5393)]