20163843

素因数分解:

$3^3\times 7^2\times {\mathrm{15241}}^1$

素因数の和:15264

約数の個数: 24

約数和(自身を含む): 34751760

約数和(自身を除く): 14587917

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15241, 45723, 106687, 137169, 320061, 411507, 746809, 960183, 2240427, 2880549, 6721281, 20163843]

約数ペア:

[(1, 20163843), (3, 6721281), (7, 2880549), (9, 2240427), (21, 960183), (27, 746809), (49, 411507), (63, 320061), (147, 137169), (189, 106687), (441, 45723), (1323, 15241)]