20854767

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{773}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 30817584

約数和(自身を除く): 9962817

約数列:

[1, 3, 17, 23, 51, 69, 391, 529, 773, 1173, 1587, 2319, 8993, 13141, 17779, 26979, 39423, 53337, 302243, 408917, 906729, 1226751, 6951589, 20854767]

約数ペア:

[(1, 20854767), (3, 6951589), (17, 1226751), (23, 906729), (51, 408917), (69, 302243), (391, 53337), (529, 39423), (773, 26979), (1173, 17779), (1587, 13141), (2319, 8993)]