20218572280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{127033}}^1$

素因数の和:127240

約数の個数: 64

約数和(自身を含む): 47744458560

約数和(自身を除く): 27525886280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 173, 184, 230, 346, 460, 692, 865, 920, 1384, 1730, 3460, 3979, 6920, 7958, 15916, 19895, 31832, 39790, 79580, 127033, 159160, 254066, 508132, 635165, 1016264, 1270330, 2540660, 2921759, 5081320, 5843518, 11687036, 14608795, 21976709, 23374072, 29217590, 43953418, 58435180, 87906836, 109883545, 116870360, 175813672, 219767090, 439534180, 505464307, 879068360, 1010928614, 2021857228, 2527321535, 4043714456, 5054643070, 10109286140, 20218572280]

約数ペア:

[(1, 20218572280), (2, 10109286140), (4, 5054643070), (5, 4043714456), (8, 2527321535), (10, 2021857228), (20, 1010928614), (23, 879068360), (40, 505464307), (46, 439534180), (92, 219767090), (115, 175813672), (173, 116870360), (184, 109883545), (230, 87906836), (346, 58435180), (460, 43953418), (692, 29217590), (865, 23374072), (920, 21976709), (1384, 14608795), (1730, 11687036), (3460, 5843518), (3979, 5081320), (6920, 2921759), (7958, 2540660), (15916, 1270330), (19895, 1016264), (31832, 635165), (39790, 508132), (79580, 254066), (127033, 159160)]