2021655824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{4075919}}^1$

素因数の和:4075958

約数の個数: 20

約数和(自身を含む): 4043312640

約数和(自身を除く): 2021656816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 4075919, 8151838, 16303676, 32607352, 65214704, 126353489, 252706978, 505413956, 1010827912, 2021655824]

約数ペア:

[(1, 2021655824), (2, 1010827912), (4, 505413956), (8, 252706978), (16, 126353489), (31, 65214704), (62, 32607352), (124, 16303676), (248, 8151838), (496, 4075919)]