20127704

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1283}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 39521520

約数和(自身を除く): 19393816

約数列:

[1, 2, 4, 8, 37, 53, 74, 106, 148, 212, 296, 424, 1283, 1961, 2566, 3922, 5132, 7844, 10264, 15688, 47471, 67999, 94942, 135998, 189884, 271996, 379768, 543992, 2515963, 5031926, 10063852, 20127704]

約数ペア:

[(1, 20127704), (2, 10063852), (4, 5031926), (8, 2515963), (37, 543992), (53, 379768), (74, 271996), (106, 189884), (148, 135998), (212, 94942), (296, 67999), (424, 47471), (1283, 15688), (1961, 10264), (2566, 7844), (3922, 5132)]