20867910777

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1\times {\mathrm{13399}}^1$

素因数の和:13890

約数の個数: 48

約数和(自身を含む): 35118720000

約数和(自身を除く): 14250809223

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 419, 531, 1239, 1257, 2933, 3717, 3771, 8799, 13399, 24721, 26397, 40197, 74163, 93793, 120591, 173047, 222489, 281379, 519141, 790541, 844137, 1557423, 2371623, 5533787, 5614181, 7114869, 16601361, 16842543, 39299267, 49804083, 50527629, 117897801, 331236679, 353693403, 993710037, 2318656753, 2981130111, 6955970259, 20867910777]

約数ペア:

[(1, 20867910777), (3, 6955970259), (7, 2981130111), (9, 2318656753), (21, 993710037), (59, 353693403), (63, 331236679), (177, 117897801), (413, 50527629), (419, 49804083), (531, 39299267), (1239, 16842543), (1257, 16601361), (2933, 7114869), (3717, 5614181), (3771, 5533787), (8799, 2371623), (13399, 1557423), (24721, 844137), (26397, 790541), (40197, 519141), (74163, 281379), (93793, 222489), (120591, 173047)]