20155746

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258407}}^1$

素因数の和:258425

約数の個数: 16

約数和(自身を含む): 43412544

約数和(自身を除く): 23256798

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258407, 516814, 775221, 1550442, 3359291, 6718582, 10077873, 20155746]

約数ペア:

[(1, 20155746), (2, 10077873), (3, 6718582), (6, 3359291), (13, 1550442), (26, 775221), (39, 516814), (78, 258407)]