20264755

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 28901376

約数和(自身を除く): 8636621

約数列:

[1, 5, 7, 35, 47, 97, 127, 235, 329, 485, 635, 679, 889, 1645, 3395, 4445, 4559, 5969, 12319, 22795, 29845, 31913, 41783, 61595, 86233, 159565, 208915, 431165, 578993, 2894965, 4052951, 20264755]

約数ペア:

[(1, 20264755), (5, 4052951), (7, 2894965), (35, 578993), (47, 431165), (97, 208915), (127, 159565), (235, 86233), (329, 61595), (485, 41783), (635, 31913), (679, 29845), (889, 22795), (1645, 12319), (3395, 5969), (4445, 4559)]