20139605

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2399}}^1$

素因数の和:2500

約数の個数: 16

約数和(自身を含む): 25574400

約数和(自身を除く): 5434795

約数列:

[1, 5, 23, 73, 115, 365, 1679, 2399, 8395, 11995, 55177, 175127, 275885, 875635, 4027921, 20139605]

約数ペア:

[(1, 20139605), (5, 4027921), (23, 875635), (73, 275885), (115, 175127), (365, 55177), (1679, 11995), (2399, 8395)]