20170177990

素因数分解:

$2^1\times 5^1\times {\mathrm{15733}}^1\times {\mathrm{128203}}^1$

素因数の和:143943

約数の個数: 16

約数和(自身を含む): 36308911248

約数和(自身を除く): 16138733258

約数列:

[1, 2, 5, 10, 15733, 31466, 78665, 128203, 157330, 256406, 641015, 1282030, 2017017799, 4034035598, 10085088995, 20170177990]

約数ペア:

[(1, 20170177990), (2, 10085088995), (5, 4034035598), (10, 2017017799), (15733, 1282030), (31466, 641015), (78665, 256406), (128203, 157330)]