20104142795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{8737}}^1$

素因数の和:8900

約数の個数: 64

約数和(自身を含む): 29352969216

約数和(自身を除く): 9248826421

約数列:

[1, 5, 11, 17, 23, 55, 85, 107, 115, 187, 253, 391, 535, 935, 1177, 1265, 1819, 1955, 2461, 4301, 5885, 8737, 9095, 12305, 20009, 21505, 27071, 41837, 43685, 96107, 100045, 135355, 148529, 200951, 209185, 460207, 480535, 742645, 934859, 1004755, 1633819, 2210461, 2301035, 3416167, 4674295, 8169095, 10283449, 11052305, 15892603, 17080835, 21501757, 37577837, 51417245, 79463015, 107508785, 174818633, 187889185, 236519327, 365529869, 874093165, 1182596635, 1827649345, 4020828559, 20104142795]

約数ペア:

[(1, 20104142795), (5, 4020828559), (11, 1827649345), (17, 1182596635), (23, 874093165), (55, 365529869), (85, 236519327), (107, 187889185), (115, 174818633), (187, 107508785), (253, 79463015), (391, 51417245), (535, 37577837), (935, 21501757), (1177, 17080835), (1265, 15892603), (1819, 11052305), (1955, 10283449), (2461, 8169095), (4301, 4674295), (5885, 3416167), (8737, 2301035), (9095, 2210461), (12305, 1633819), (20009, 1004755), (21505, 934859), (27071, 742645), (41837, 480535), (43685, 460207), (96107, 209185), (100045, 200951), (135355, 148529)]