20818554

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 21759366

約数列:

[1, 2, 3, 6, 79, 158, 167, 237, 263, 334, 474, 501, 526, 789, 1002, 1578, 13193, 20777, 26386, 39579, 41554, 43921, 62331, 79158, 87842, 124662, 131763, 263526, 3469759, 6939518, 10409277, 20818554]

約数ペア:

[(1, 20818554), (2, 10409277), (3, 6939518), (6, 3469759), (79, 263526), (158, 131763), (167, 124662), (237, 87842), (263, 79158), (334, 62331), (474, 43921), (501, 41554), (526, 39579), (789, 26386), (1002, 20777), (1578, 13193)]