20282012

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{823}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 36476832

約数和(自身を除く): 16194820

約数列:

[1, 2, 4, 61, 101, 122, 202, 244, 404, 823, 1646, 3292, 6161, 12322, 24644, 50203, 83123, 100406, 166246, 200812, 332492, 5070503, 10141006, 20282012]

約数ペア:

[(1, 20282012), (2, 10141006), (4, 5070503), (61, 332492), (101, 200812), (122, 166246), (202, 100406), (244, 83123), (404, 50203), (823, 24644), (1646, 12322), (3292, 6161)]