20593209

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{313}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 34042624

約数和(自身を除く): 13449415

約数列:

[1, 3, 7, 13, 21, 39, 91, 241, 273, 313, 723, 939, 1687, 2191, 3133, 4069, 5061, 6573, 9399, 12207, 21931, 28483, 65793, 75433, 85449, 226299, 528031, 980629, 1584093, 2941887, 6864403, 20593209]

約数ペア:

[(1, 20593209), (3, 6864403), (7, 2941887), (13, 1584093), (21, 980629), (39, 528031), (91, 226299), (241, 85449), (273, 75433), (313, 65793), (723, 28483), (939, 21931), (1687, 12207), (2191, 9399), (3133, 6573), (4069, 5061)]