20086421900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{96989}}^1$

素因数の和:97131

約数の個数: 72

約数和(自身を含む): 46303026000

約数和(自身を除く): 26216604100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 190, 218, 380, 436, 475, 545, 950, 1090, 1900, 2071, 2180, 2725, 4142, 5450, 8284, 10355, 10900, 20710, 41420, 51775, 96989, 103550, 193978, 207100, 387956, 484945, 969890, 1842791, 1939780, 2424725, 3685582, 4849450, 7371164, 9213955, 9698900, 10571801, 18427910, 21143602, 36855820, 42287204, 46069775, 52859005, 92139550, 105718010, 184279100, 200864219, 211436020, 264295025, 401728438, 528590050, 803456876, 1004321095, 1057180100, 2008642190, 4017284380, 5021605475, 10043210950, 20086421900]

約数ペア:

[(1, 20086421900), (2, 10043210950), (4, 5021605475), (5, 4017284380), (10, 2008642190), (19, 1057180100), (20, 1004321095), (25, 803456876), (38, 528590050), (50, 401728438), (76, 264295025), (95, 211436020), (100, 200864219), (109, 184279100), (190, 105718010), (218, 92139550), (380, 52859005), (436, 46069775), (475, 42287204), (545, 36855820), (950, 21143602), (1090, 18427910), (1900, 10571801), (2071, 9698900), (2180, 9213955), (2725, 7371164), (4142, 4849450), (5450, 3685582), (8284, 2424725), (10355, 1939780), (10900, 1842791), (20710, 969890), (41420, 484945), (51775, 387956), (96989, 207100), (103550, 193978)]