20358315

素因数分解:

$3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1163}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 35408880

約数和(自身を除く): 15050565

約数列:

[1, 3, 5, 9, 15, 45, 389, 1163, 1167, 1945, 3489, 3501, 5815, 5835, 10467, 17445, 17505, 52335, 452407, 1357221, 2262035, 4071663, 6786105, 20358315]

約数ペア:

[(1, 20358315), (3, 6786105), (5, 4071663), (9, 2262035), (15, 1357221), (45, 452407), (389, 52335), (1163, 17505), (1167, 17445), (1945, 10467), (3489, 5835), (3501, 5815)]