20647418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55207}}^1$

素因数の和:55237

約数の個数: 16

約数和(自身を含む): 35774784

約数和(自身を除く): 15127366

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 55207, 110414, 607277, 938519, 1214554, 1877038, 10323709, 20647418]

約数ペア:

[(1, 20647418), (2, 10323709), (11, 1877038), (17, 1214554), (22, 938519), (34, 607277), (187, 110414), (374, 55207)]