20178247656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{2971}}^1\times {\mathrm{40427}}^1$

素因数の和:43414

約数の個数: 64

約数和(自身を含む): 57672967680

約数和(自身を除く): 37494720024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 2971, 5942, 8913, 11884, 17826, 20797, 23768, 35652, 40427, 41594, 62391, 71304, 80854, 83188, 121281, 124782, 161708, 166376, 242562, 249564, 282989, 323416, 485124, 499128, 565978, 848967, 970248, 1131956, 1697934, 2263912, 3395868, 6791736, 120108617, 240217234, 360325851, 480434468, 720651702, 840760319, 960868936, 1441303404, 1681520638, 2522280957, 2882606808, 3363041276, 5044561914, 6726082552, 10089123828, 20178247656]

約数ペア:

[(1, 20178247656), (2, 10089123828), (3, 6726082552), (4, 5044561914), (6, 3363041276), (7, 2882606808), (8, 2522280957), (12, 1681520638), (14, 1441303404), (21, 960868936), (24, 840760319), (28, 720651702), (42, 480434468), (56, 360325851), (84, 240217234), (168, 120108617), (2971, 6791736), (5942, 3395868), (8913, 2263912), (11884, 1697934), (17826, 1131956), (20797, 970248), (23768, 848967), (35652, 565978), (40427, 499128), (41594, 485124), (62391, 323416), (71304, 282989), (80854, 249564), (83188, 242562), (121281, 166376), (124782, 161708)]