20996892

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11903}}^1$

素因数の和:11927

約数の個数: 54

約数和(自身を含む): 61746048

約数和(自身を除く): 40749156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11903, 23806, 35709, 47612, 71418, 83321, 107127, 142836, 166642, 214254, 249963, 333284, 428508, 499926, 583247, 749889, 999852, 1166494, 1499778, 1749741, 2332988, 2999556, 3499482, 5249223, 6998964, 10498446, 20996892]

約数ペア:

[(1, 20996892), (2, 10498446), (3, 6998964), (4, 5249223), (6, 3499482), (7, 2999556), (9, 2332988), (12, 1749741), (14, 1499778), (18, 1166494), (21, 999852), (28, 749889), (36, 583247), (42, 499926), (49, 428508), (63, 333284), (84, 249963), (98, 214254), (126, 166642), (147, 142836), (196, 107127), (252, 83321), (294, 71418), (441, 47612), (588, 35709), (882, 23806), (1764, 11903)]