20897224

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84263}}^1$

素因数の和:84300

約数の個数: 16

約数和(自身を含む): 40446720

約数和(自身を除く): 19549496

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84263, 168526, 337052, 674104, 2612153, 5224306, 10448612, 20897224]

約数ペア:

[(1, 20897224), (2, 10448612), (4, 5224306), (8, 2612153), (31, 674104), (62, 337052), (124, 168526), (248, 84263)]