20179943245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1\times {\mathrm{4073}}^1$

素因数の和:4870

約数の個数: 64

約数和(自身を含む): 32017337856

約数和(自身を除く): 11837394611

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 757, 935, 1309, 3785, 4073, 5299, 6545, 8327, 12869, 20365, 26495, 28511, 41635, 44803, 58289, 64345, 69241, 90083, 141559, 142555, 224015, 291445, 313621, 346205, 450415, 484687, 707795, 761651, 990913, 1568105, 2423435, 3083261, 3808255, 4954565, 5331557, 15416305, 21582827, 26657785, 33915871, 52415437, 107914135, 169579355, 237411097, 262077185, 366908059, 576569807, 1187055485, 1834540295, 2882849035, 4035988649, 20179943245]

約数ペア:

[(1, 20179943245), (5, 4035988649), (7, 2882849035), (11, 1834540295), (17, 1187055485), (35, 576569807), (55, 366908059), (77, 262077185), (85, 237411097), (119, 169579355), (187, 107914135), (385, 52415437), (595, 33915871), (757, 26657785), (935, 21582827), (1309, 15416305), (3785, 5331557), (4073, 4954565), (5299, 3808255), (6545, 3083261), (8327, 2423435), (12869, 1568105), (20365, 990913), (26495, 761651), (28511, 707795), (41635, 484687), (44803, 450415), (58289, 346205), (64345, 313621), (69241, 291445), (90083, 224015), (141559, 142555)]