20727902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25717}}^1$

素因数の和:25763

約数の個数: 16

約数和(自身を含む): 34564992

約数和(自身を除く): 13837090

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25717, 51434, 334321, 668642, 797227, 1594454, 10363951, 20727902]

約数ペア:

[(1, 20727902), (2, 10363951), (13, 1594454), (26, 797227), (31, 668642), (62, 334321), (403, 51434), (806, 25717)]