20075875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 26956800

約数和(自身を除く): 6880925

約数列:

[1, 5, 19, 25, 79, 95, 107, 125, 395, 475, 535, 1501, 1975, 2033, 2375, 2675, 7505, 8453, 9875, 10165, 13375, 37525, 42265, 50825, 160607, 187625, 211325, 254125, 803035, 1056625, 4015175, 20075875]

約数ペア:

[(1, 20075875), (5, 4015175), (19, 1056625), (25, 803035), (79, 254125), (95, 211325), (107, 187625), (125, 160607), (395, 50825), (475, 42265), (535, 37525), (1501, 13375), (1975, 10165), (2033, 9875), (2375, 8453), (2675, 7505)]