20379429

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5303}}^1$

素因数の和:5377

約数の個数: 24

約数和(自身を含む): 34200192

約数和(自身を除く): 13820763

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 5303, 15909, 37121, 47727, 111363, 323483, 334089, 970449, 2264381, 2911347, 6793143, 20379429]

約数ペア:

[(1, 20379429), (3, 6793143), (7, 2911347), (9, 2264381), (21, 970449), (61, 334089), (63, 323483), (183, 111363), (427, 47727), (549, 37121), (1281, 15909), (3843, 5303)]