20653011

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5869}}^1$

素因数の和:5915

約数の個数: 24

約数和(自身を含む): 32965920

約数和(自身を除く): 12312909

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5869, 17607, 52821, 99773, 134987, 299319, 404961, 897957, 1214883, 2294779, 6884337, 20653011]

約数ペア:

[(1, 20653011), (3, 6884337), (9, 2294779), (17, 1214883), (23, 897957), (51, 404961), (69, 299319), (153, 134987), (207, 99773), (391, 52821), (1173, 17607), (3519, 5869)]