20101915876

素因数分解:

$2^2\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{647363}}^1$

素因数の和:648483

約数の個数: 24

約数和(自身を含む): 40240146240

約数和(自身を除く): 20138230364

約数列:

[1, 2, 4, 7, 14, 28, 1109, 2218, 4436, 7763, 15526, 31052, 647363, 1294726, 2589452, 4531541, 9063082, 18126164, 717925567, 1435851134, 2871702268, 5025478969, 10050957938, 20101915876]

約数ペア:

[(1, 20101915876), (2, 10050957938), (4, 5025478969), (7, 2871702268), (14, 1435851134), (28, 717925567), (1109, 18126164), (2218, 9063082), (4436, 4531541), (7763, 2589452), (15526, 1294726), (31052, 647363)]