20669620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60793}}^1$

素因数の和:60819

約数の個数: 24

約数和(自身を含む): 45960264

約数和(自身を除く): 25290644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60793, 121586, 243172, 303965, 607930, 1033481, 1215860, 2066962, 4133924, 5167405, 10334810, 20669620]

約数ペア:

[(1, 20669620), (2, 10334810), (4, 5167405), (5, 4133924), (10, 2066962), (17, 1215860), (20, 1033481), (34, 607930), (68, 303965), (85, 243172), (170, 121586), (340, 60793)]