20005937298

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{1123}}^1\times {\mathrm{3851}}^1$

素因数の和:5239

約数の個数: 48

約数和(自身を含む): 43564918176

約数和(自身を除く): 23558980878

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1123, 1542, 2246, 2313, 3369, 3851, 4626, 6738, 7702, 10107, 11553, 20214, 23106, 34659, 69318, 288611, 577222, 865833, 989707, 1731666, 1979414, 2597499, 2969121, 4324673, 5194998, 5938242, 8649346, 8907363, 12974019, 17814726, 25948038, 38922057, 77844114, 1111440961, 2222881922, 3334322883, 6668645766, 10002968649, 20005937298]

約数ペア:

[(1, 20005937298), (2, 10002968649), (3, 6668645766), (6, 3334322883), (9, 2222881922), (18, 1111440961), (257, 77844114), (514, 38922057), (771, 25948038), (1123, 17814726), (1542, 12974019), (2246, 8907363), (2313, 8649346), (3369, 5938242), (3851, 5194998), (4626, 4324673), (6738, 2969121), (7702, 2597499), (10107, 1979414), (11553, 1731666), (20214, 989707), (23106, 865833), (34659, 577222), (69318, 288611)]