20802449805

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{500119}}^1$

素因数の和:500233

約数の個数: 32

約数和(自身を含む): 34568294400

約数和(自身を除く): 13765844595

約数列:

[1, 3, 5, 15, 47, 59, 141, 177, 235, 295, 705, 885, 2773, 8319, 13865, 41595, 500119, 1500357, 2500595, 7501785, 23505593, 29507021, 70516779, 88521063, 117527965, 147535105, 352583895, 442605315, 1386829987, 4160489961, 6934149935, 20802449805]

約数ペア:

[(1, 20802449805), (3, 6934149935), (5, 4160489961), (15, 1386829987), (47, 442605315), (59, 352583895), (141, 147535105), (177, 117527965), (235, 88521063), (295, 70516779), (705, 29507021), (885, 23505593), (2773, 7501785), (8319, 2500595), (13865, 1500357), (41595, 500119)]