20512671158

素因数分解:

$2^1\times 7^3\times {\mathrm{3119}}^1\times {\mathrm{9587}}^1$

素因数の和:12729

約数の個数: 32

約数和(自身を含む): 35897472000

約数和(自身を除く): 15384800842

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 3119, 6238, 9587, 19174, 21833, 43666, 67109, 134218, 152831, 305662, 469763, 939526, 1069817, 2139634, 3288341, 6576682, 29901853, 59803706, 209312971, 418625942, 1465190797, 2930381594, 10256335579, 20512671158]

約数ペア:

[(1, 20512671158), (2, 10256335579), (7, 2930381594), (14, 1465190797), (49, 418625942), (98, 209312971), (343, 59803706), (686, 29901853), (3119, 6576682), (6238, 3288341), (9587, 2139634), (19174, 1069817), (21833, 939526), (43666, 469763), (67109, 305662), (134218, 152831)]