20687602

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25667}}^1$

素因数の和:25713

約数の個数: 16

約数和(自身を含む): 34497792

約数和(自身を除く): 13810190

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25667, 51334, 333671, 667342, 795677, 1591354, 10343801, 20687602]

約数ペア:

[(1, 20687602), (2, 10343801), (13, 1591354), (26, 795677), (31, 667342), (62, 333671), (403, 51334), (806, 25667)]