20189795

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{883}}^1$

素因数の和:1174

約数の個数: 16

約数和(自身を含む): 25777440

約数和(自身を除く): 5587645

約数列:

[1, 5, 17, 85, 269, 883, 1345, 4415, 4573, 15011, 22865, 75055, 237527, 1187635, 4037959, 20189795]

約数ペア:

[(1, 20189795), (5, 4037959), (17, 1187635), (85, 237527), (269, 75055), (883, 22865), (1345, 15011), (4415, 4573)]