20545959

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 32648704

約数和(自身を除く): 12102745

約数列:

[1, 3, 7, 21, 43, 61, 129, 183, 301, 373, 427, 903, 1119, 1281, 2611, 2623, 7833, 7869, 16039, 18361, 22753, 48117, 55083, 68259, 112273, 159271, 336819, 477813, 978379, 2935137, 6848653, 20545959]

約数ペア:

[(1, 20545959), (3, 6848653), (7, 2935137), (21, 978379), (43, 477813), (61, 336819), (129, 159271), (183, 112273), (301, 68259), (373, 55083), (427, 48117), (903, 22753), (1119, 18361), (1281, 16039), (2611, 7869), (2623, 7833)]