20218659080

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3980051}}^1$

素因数の和:3980189

約数の個数: 32

約数和(自身を含む): 45850199040

約数和(自身を除く): 25631539960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 3980051, 7960102, 15920204, 19900255, 31840408, 39800510, 79601020, 159202040, 505466477, 1010932954, 2021865908, 2527332385, 4043731816, 5054664770, 10109329540, 20218659080]

約数ペア:

[(1, 20218659080), (2, 10109329540), (4, 5054664770), (5, 4043731816), (8, 2527332385), (10, 2021865908), (20, 1010932954), (40, 505466477), (127, 159202040), (254, 79601020), (508, 39800510), (635, 31840408), (1016, 19900255), (1270, 15920204), (2540, 7960102), (5080, 3980051)]