20165007778

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{4031389}}^1$

素因数の和:4031493

約数の個数: 16

約数和(自身を含む): 31493218680

約数和(自身を除く): 11328210902

約数列:

[1, 2, 41, 61, 82, 122, 2501, 5002, 4031389, 8062778, 165286949, 245914729, 330573898, 491829458, 10082503889, 20165007778]

約数ペア:

[(1, 20165007778), (2, 10082503889), (41, 491829458), (61, 330573898), (82, 245914729), (122, 165286949), (2501, 8062778), (5002, 4031389)]