20494401

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1601}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 29066688

約数和(自身を除く): 8572287

約数列:

[1, 3, 17, 51, 251, 753, 1601, 4267, 4803, 12801, 27217, 81651, 401851, 1205553, 6831467, 20494401]

約数ペア:

[(1, 20494401), (3, 6831467), (17, 1205553), (51, 401851), (251, 81651), (753, 27217), (1601, 12801), (4267, 4803)]