20216059065

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{911249}}^1$

素因数の和:911306

約数の個数: 48

約数和(自身を含む): 38381850000

約数和(自身を除く): 18165790935

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 1305, 1479, 2465, 4437, 7395, 22185, 911249, 2733747, 4556245, 8201241, 13668735, 15491233, 26426221, 41006205, 46473699, 77456165, 79278663, 132131105, 139421097, 232368495, 237835989, 396393315, 449245757, 697105485, 1189179945, 1347737271, 2246228785, 4043211813, 6738686355, 20216059065]

約数ペア:

[(1, 20216059065), (3, 6738686355), (5, 4043211813), (9, 2246228785), (15, 1347737271), (17, 1189179945), (29, 697105485), (45, 449245757), (51, 396393315), (85, 237835989), (87, 232368495), (145, 139421097), (153, 132131105), (255, 79278663), (261, 77456165), (435, 46473699), (493, 41006205), (765, 26426221), (1305, 15491233), (1479, 13668735), (2465, 8201241), (4437, 4556245), (7395, 2733747), (22185, 911249)]