20101915870

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19902887}}^1$

素因数の和:19902995

約数の個数: 16

約数和(自身を含む): 36541702368

約数和(自身を除く): 16439786498

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 19902887, 39805774, 99514435, 199028870, 2010191587, 4020383174, 10050957935, 20101915870]

約数ペア:

[(1, 20101915870), (2, 10050957935), (5, 4020383174), (10, 2010191587), (101, 199028870), (202, 99514435), (505, 39805774), (1010, 19902887)]