20608536

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{5081}}^1$

素因数の和:5116

約数の個数: 48

約数和(自身を含む): 55800360

約数和(自身を除く): 35191824

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 5081, 10162, 15243, 20324, 30486, 40648, 60972, 66053, 121944, 132106, 198159, 264212, 396318, 528424, 792636, 858689, 1585272, 1717378, 2576067, 3434756, 5152134, 6869512, 10304268, 20608536]

約数ペア:

[(1, 20608536), (2, 10304268), (3, 6869512), (4, 5152134), (6, 3434756), (8, 2576067), (12, 1717378), (13, 1585272), (24, 858689), (26, 792636), (39, 528424), (52, 396318), (78, 264212), (104, 198159), (156, 132106), (169, 121944), (312, 66053), (338, 60972), (507, 40648), (676, 30486), (1014, 20324), (1352, 15243), (2028, 10162), (4056, 5081)]