20395362

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{191}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 45384192

約数和(自身を除く): 24988830

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 191, 222, 382, 481, 573, 962, 1146, 1369, 1443, 2483, 2738, 2886, 4107, 4966, 7067, 7449, 8214, 14134, 14898, 17797, 21201, 35594, 42402, 53391, 91871, 106782, 183742, 261479, 275613, 522958, 551226, 784437, 1568874, 3399227, 6798454, 10197681, 20395362]

約数ペア:

[(1, 20395362), (2, 10197681), (3, 6798454), (6, 3399227), (13, 1568874), (26, 784437), (37, 551226), (39, 522958), (74, 275613), (78, 261479), (111, 183742), (191, 106782), (222, 91871), (382, 53391), (481, 42402), (573, 35594), (962, 21201), (1146, 17797), (1369, 14898), (1443, 14134), (2483, 8214), (2738, 7449), (2886, 7067), (4107, 4966)]