20204312

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 39381120

約数和(自身を除く): 19176808

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 257, 317, 514, 634, 1028, 1268, 2056, 2536, 7967, 9827, 15934, 19654, 31868, 39308, 63736, 78616, 81469, 162938, 325876, 651752, 2525539, 5051078, 10102156, 20204312]

約数ペア:

[(1, 20204312), (2, 10102156), (4, 5051078), (8, 2525539), (31, 651752), (62, 325876), (124, 162938), (248, 81469), (257, 78616), (317, 63736), (514, 39308), (634, 31868), (1028, 19654), (1268, 15934), (2056, 9827), (2536, 7967)]