20307753

素因数分解:

$3^6\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:420

約数の個数: 28

約数和(自身を含む): 30888180

約数和(自身を除く): 10580427

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 313, 729, 801, 939, 2403, 2817, 7209, 8451, 21627, 25353, 27857, 64881, 76059, 83571, 228177, 250713, 752139, 2256417, 6769251, 20307753]

約数ペア:

[(1, 20307753), (3, 6769251), (9, 2256417), (27, 752139), (81, 250713), (89, 228177), (243, 83571), (267, 76059), (313, 64881), (729, 27857), (801, 25353), (939, 21627), (2403, 8451), (2817, 7209)]