20178262064

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{1949}}^1\times {\mathrm{2239}}^1$

素因数の和:4230

約数の個数: 60

約数和(自身を含む): 41570256000

約数和(自身を除く): 21391993936

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 1949, 2239, 2312, 3898, 4478, 4624, 7796, 8956, 15592, 17912, 31184, 33133, 35824, 38063, 66266, 76126, 132532, 152252, 265064, 304504, 530128, 563261, 609008, 647071, 1126522, 1294142, 2253044, 2588284, 4363811, 4506088, 5176568, 8727622, 9012176, 10353136, 17455244, 34910488, 69820976, 74184787, 148369574, 296739148, 593478296, 1186956592, 1261141379, 2522282758, 5044565516, 10089131032, 20178262064]

約数ペア:

[(1, 20178262064), (2, 10089131032), (4, 5044565516), (8, 2522282758), (16, 1261141379), (17, 1186956592), (34, 593478296), (68, 296739148), (136, 148369574), (272, 74184787), (289, 69820976), (578, 34910488), (1156, 17455244), (1949, 10353136), (2239, 9012176), (2312, 8727622), (3898, 5176568), (4478, 4506088), (4624, 4363811), (7796, 2588284), (8956, 2253044), (15592, 1294142), (17912, 1126522), (31184, 647071), (33133, 609008), (35824, 563261), (38063, 530128), (66266, 304504), (76126, 265064), (132532, 152252)]