20284275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 38211840

約数和(自身を除く): 17927565

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 165, 253, 275, 345, 575, 759, 825, 1069, 1265, 1725, 3207, 3795, 5345, 6325, 11759, 16035, 18975, 24587, 26725, 35277, 58795, 73761, 80175, 122935, 176385, 270457, 293975, 368805, 614675, 811371, 881925, 1352285, 1844025, 4056855, 6761425, 20284275]

約数ペア:

[(1, 20284275), (3, 6761425), (5, 4056855), (11, 1844025), (15, 1352285), (23, 881925), (25, 811371), (33, 614675), (55, 368805), (69, 293975), (75, 270457), (115, 176385), (165, 122935), (253, 80175), (275, 73761), (345, 58795), (575, 35277), (759, 26725), (825, 24587), (1069, 18975), (1265, 16035), (1725, 11759), (3207, 6325), (3795, 5345)]