20185342456

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1\times {\mathrm{1523}}^1$

素因数の和:1988

約数の個数: 64

約数和(自身を含む): 39048537600

約数和(自身を除く): 18863195144

約数列:

[1, 2, 4, 8, 67, 79, 134, 158, 268, 313, 316, 536, 626, 632, 1252, 1523, 2504, 3046, 5293, 6092, 10586, 12184, 20971, 21172, 24727, 41942, 42344, 49454, 83884, 98908, 102041, 120317, 167768, 197816, 204082, 240634, 408164, 476699, 481268, 816328, 953398, 962536, 1656709, 1906796, 3313418, 3813592, 6626836, 8061239, 13253672, 16122478, 31938833, 32244956, 37659221, 63877666, 64489912, 75318442, 127755332, 150636884, 255510664, 301273768, 2523167807, 5046335614, 10092671228, 20185342456]

約数ペア:

[(1, 20185342456), (2, 10092671228), (4, 5046335614), (8, 2523167807), (67, 301273768), (79, 255510664), (134, 150636884), (158, 127755332), (268, 75318442), (313, 64489912), (316, 63877666), (536, 37659221), (626, 32244956), (632, 31938833), (1252, 16122478), (1523, 13253672), (2504, 8061239), (3046, 6626836), (5293, 3813592), (6092, 3313418), (10586, 1906796), (12184, 1656709), (20971, 962536), (21172, 953398), (24727, 816328), (41942, 481268), (42344, 476699), (49454, 408164), (83884, 240634), (98908, 204082), (102041, 197816), (120317, 167768)]