20789025978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1\times {\mathrm{27803}}^1$

素因数の和:28771

約数の個数: 64

約数和(自身を含む): 50073891840

約数和(自身を除く): 29284865862

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 937, 1874, 2811, 5622, 6559, 13118, 17803, 19677, 27803, 35606, 39354, 53409, 55606, 83409, 106818, 124621, 166818, 194621, 249242, 373863, 389242, 528257, 583863, 747726, 1056514, 1167726, 1584771, 3169542, 3697799, 7395598, 11093397, 22186794, 26051411, 52102822, 78154233, 156308466, 182359877, 364719754, 494976809, 547079631, 989953618, 1094159262, 1484930427, 2969860854, 3464837663, 6929675326, 10394512989, 20789025978]

約数ペア:

[(1, 20789025978), (2, 10394512989), (3, 6929675326), (6, 3464837663), (7, 2969860854), (14, 1484930427), (19, 1094159262), (21, 989953618), (38, 547079631), (42, 494976809), (57, 364719754), (114, 182359877), (133, 156308466), (266, 78154233), (399, 52102822), (798, 26051411), (937, 22186794), (1874, 11093397), (2811, 7395598), (5622, 3697799), (6559, 3169542), (13118, 1584771), (17803, 1167726), (19677, 1056514), (27803, 747726), (35606, 583863), (39354, 528257), (53409, 389242), (55606, 373863), (83409, 249242), (106818, 194621), (124621, 166818)]