20275713

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1489}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 31379400

約数和(自身を除く): 11103687

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 801, 1489, 1513, 4467, 4539, 13401, 13617, 25313, 75939, 132521, 227817, 397563, 1192689, 2252857, 6758571, 20275713]

約数ペア:

[(1, 20275713), (3, 6758571), (9, 2252857), (17, 1192689), (51, 397563), (89, 227817), (153, 132521), (267, 75939), (801, 25313), (1489, 13617), (1513, 13401), (4467, 4539)]