20184972340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1\times {\mathrm{2749}}^1$

素因数の和:3713

約数の個数: 96

約数和(自身を含む): 47190528000

約数和(自身を除く): 27005555660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 911, 1612, 1822, 2015, 2749, 3644, 4030, 4555, 5498, 8060, 9110, 10996, 11843, 13745, 18220, 23686, 27490, 28241, 35737, 47372, 54980, 56482, 59215, 71474, 85219, 112964, 118430, 141205, 142948, 170438, 178685, 236860, 282410, 340876, 357370, 367133, 426095, 564820, 714740, 734266, 852190, 1107847, 1468532, 1704380, 1835665, 2215694, 2504339, 3671330, 4431388, 5008678, 5539235, 7342660, 10017356, 11078470, 12521695, 22156940, 25043390, 32556407, 50086780, 65112814, 77634509, 130225628, 155269018, 162782035, 310538036, 325564070, 388172545, 651128140, 776345090, 1009248617, 1552690180, 2018497234, 4036994468, 5046243085, 10092486170, 20184972340]

約数ペア:

[(1, 20184972340), (2, 10092486170), (4, 5046243085), (5, 4036994468), (10, 2018497234), (13, 1552690180), (20, 1009248617), (26, 776345090), (31, 651128140), (52, 388172545), (62, 325564070), (65, 310538036), (124, 162782035), (130, 155269018), (155, 130225628), (260, 77634509), (310, 65112814), (403, 50086780), (620, 32556407), (806, 25043390), (911, 22156940), (1612, 12521695), (1822, 11078470), (2015, 10017356), (2749, 7342660), (3644, 5539235), (4030, 5008678), (4555, 4431388), (5498, 3671330), (8060, 2504339), (9110, 2215694), (10996, 1835665), (11843, 1704380), (13745, 1468532), (18220, 1107847), (23686, 852190), (27490, 734266), (28241, 714740), (35737, 564820), (47372, 426095), (54980, 367133), (56482, 357370), (59215, 340876), (71474, 282410), (85219, 236860), (112964, 178685), (118430, 170438), (141205, 142948)]