20713041

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2129}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 31898880

約数和(自身を除く): 11185839

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 2129, 3243, 6387, 9729, 19161, 48967, 100063, 146901, 300189, 440703, 900567, 2301449, 6904347, 20713041]

約数ペア:

[(1, 20713041), (3, 6904347), (9, 2301449), (23, 900567), (47, 440703), (69, 300189), (141, 146901), (207, 100063), (423, 48967), (1081, 19161), (2129, 9729), (3243, 6387)]