20200365

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9551}}^1$

素因数の和:9609

約数の個数: 24

約数和(自身を含む): 35762688

約数和(自身を除く): 15562323

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9551, 28653, 47755, 85959, 143265, 429795, 448897, 1346691, 2244485, 4040073, 6733455, 20200365]

約数ペア:

[(1, 20200365), (3, 6733455), (5, 4040073), (9, 2244485), (15, 1346691), (45, 448897), (47, 429795), (141, 143265), (235, 85959), (423, 47755), (705, 28653), (2115, 9551)]