20521259278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{8136899}}^1$

素因数の和:8137011

約数の個数: 16

約数和(自身を含む): 33491480400

約数和(自身を除く): 12970221122

約数列:

[1, 2, 13, 26, 97, 194, 1261, 2522, 8136899, 16273798, 105779687, 211559374, 789279203, 1578558406, 10260629639, 20521259278]

約数ペア:

[(1, 20521259278), (2, 10260629639), (13, 1578558406), (26, 789279203), (97, 211559374), (194, 105779687), (1261, 16273798), (2522, 8136899)]