20105638994

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{2371}}^1$

素因数の和:2919

約数の個数: 64

約数和(自身を含む): 36889344000

約数和(自身を除く): 16783705006

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 449, 497, 898, 994, 1349, 2371, 2698, 3143, 4742, 6286, 8531, 9443, 16597, 17062, 18886, 31879, 33194, 45049, 59717, 63758, 90098, 119434, 168341, 223153, 315343, 336682, 446306, 605701, 630686, 1064579, 1178387, 1211402, 2129158, 2356774, 3198479, 4239907, 6396958, 7452053, 8479814, 14904106, 20227001, 22389353, 40454002, 44778706, 75585109, 141589007, 151170218, 283178014, 529095763, 1058191526, 1436117071, 2872234142, 10052819497, 20105638994]

約数ペア:

[(1, 20105638994), (2, 10052819497), (7, 2872234142), (14, 1436117071), (19, 1058191526), (38, 529095763), (71, 283178014), (133, 151170218), (142, 141589007), (266, 75585109), (449, 44778706), (497, 40454002), (898, 22389353), (994, 20227001), (1349, 14904106), (2371, 8479814), (2698, 7452053), (3143, 6396958), (4742, 4239907), (6286, 3198479), (8531, 2356774), (9443, 2129158), (16597, 1211402), (17062, 1178387), (18886, 1064579), (31879, 630686), (33194, 605701), (45049, 446306), (59717, 336682), (63758, 315343), (90098, 223153), (119434, 168341)]