20627772

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 54974976

約数和(自身を除く): 34347204

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 71, 93, 124, 132, 142, 186, 213, 284, 341, 372, 426, 682, 781, 852, 1023, 1364, 1562, 2046, 2201, 2343, 3124, 4092, 4402, 4686, 5041, 6603, 8804, 9372, 10082, 13206, 15123, 20164, 24211, 26412, 30246, 48422, 55451, 60492, 72633, 96844, 110902, 145266, 156271, 166353, 221804, 290532, 312542, 332706, 468813, 625084, 665412, 937626, 1718981, 1875252, 3437962, 5156943, 6875924, 10313886, 20627772]

約数ペア:

[(1, 20627772), (2, 10313886), (3, 6875924), (4, 5156943), (6, 3437962), (11, 1875252), (12, 1718981), (22, 937626), (31, 665412), (33, 625084), (44, 468813), (62, 332706), (66, 312542), (71, 290532), (93, 221804), (124, 166353), (132, 156271), (142, 145266), (186, 110902), (213, 96844), (284, 72633), (341, 60492), (372, 55451), (426, 48422), (682, 30246), (781, 26412), (852, 24211), (1023, 20164), (1364, 15123), (1562, 13206), (2046, 10082), (2201, 9372), (2343, 8804), (3124, 6603), (4092, 5041), (4402, 4686)]