20390463036

素因数分解:

$2^2\times 3^2\times {\mathrm{439}}^1\times {\mathrm{1290209}}^1$

素因数の和:1290658

約数の個数: 36

約数和(自身を含む): 51660008400

約数和(自身を除く): 31269545364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 439, 878, 1317, 1756, 2634, 3951, 5268, 7902, 15804, 1290209, 2580418, 3870627, 5160836, 7741254, 11611881, 15482508, 23223762, 46447524, 566401751, 1132803502, 1699205253, 2265607004, 3398410506, 5097615759, 6796821012, 10195231518, 20390463036]

約数ペア:

[(1, 20390463036), (2, 10195231518), (3, 6796821012), (4, 5097615759), (6, 3398410506), (9, 2265607004), (12, 1699205253), (18, 1132803502), (36, 566401751), (439, 46447524), (878, 23223762), (1317, 15482508), (1756, 11611881), (2634, 7741254), (3951, 5160836), (5268, 3870627), (7902, 2580418), (15804, 1290209)]