20038012

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2003}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 36528912

約数和(自身を除く): 16490900

約数列:

[1, 2, 4, 41, 61, 82, 122, 164, 244, 2003, 2501, 4006, 5002, 8012, 10004, 82123, 122183, 164246, 244366, 328492, 488732, 5009503, 10019006, 20038012]

約数ペア:

[(1, 20038012), (2, 10019006), (4, 5009503), (41, 488732), (61, 328492), (82, 244366), (122, 164246), (164, 122183), (244, 82123), (2003, 10004), (2501, 8012), (4006, 5002)]