20437578

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8537}}^1$

素因数の和:8571

約数の個数: 48

約数和(自身を含む): 53277120

約数和(自身を除く): 32839542

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8537, 17074, 25611, 51222, 59759, 76833, 119518, 153666, 162203, 179277, 324406, 358554, 486609, 537831, 973218, 1075662, 1135421, 1459827, 2270842, 2919654, 3406263, 6812526, 10218789, 20437578]

約数ペア:

[(1, 20437578), (2, 10218789), (3, 6812526), (6, 3406263), (7, 2919654), (9, 2270842), (14, 1459827), (18, 1135421), (19, 1075662), (21, 973218), (38, 537831), (42, 486609), (57, 358554), (63, 324406), (114, 179277), (126, 162203), (133, 153666), (171, 119518), (266, 76833), (342, 59759), (399, 51222), (798, 25611), (1197, 17074), (2394, 8537)]