20005912

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80669}}^1$

素因数の和:80706

約数の個数: 16

約数和(自身を含む): 38721600

約数和(自身を除く): 18715688

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80669, 161338, 322676, 645352, 2500739, 5001478, 10002956, 20005912]

約数ペア:

[(1, 20005912), (2, 10002956), (4, 5001478), (8, 2500739), (31, 645352), (62, 322676), (124, 161338), (248, 80669)]