20536700840

素因数分解:

$2^3\times 5^1\times {\mathrm{513417521}}^1$

素因数の和:513417532

約数の個数: 16

約数和(自身を含む): 46207576980

約数和(自身を除く): 25670876140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 513417521, 1026835042, 2053670084, 2567087605, 4107340168, 5134175210, 10268350420, 20536700840]

約数ペア:

[(1, 20536700840), (2, 10268350420), (4, 5134175210), (5, 4107340168), (8, 2567087605), (10, 2053670084), (20, 1026835042), (40, 513417521)]