20715700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10903}}^1$

素因数の和:10936

約数の個数: 36

約数和(自身を含む): 47323360

約数和(自身を除く): 26607660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10903, 21806, 43612, 54515, 109030, 207157, 218060, 272575, 414314, 545150, 828628, 1035785, 1090300, 2071570, 4143140, 5178925, 10357850, 20715700]

約数ペア:

[(1, 20715700), (2, 10357850), (4, 5178925), (5, 4143140), (10, 2071570), (19, 1090300), (20, 1035785), (25, 828628), (38, 545150), (50, 414314), (76, 272575), (95, 218060), (100, 207157), (190, 109030), (380, 54515), (475, 43612), (950, 21806), (1900, 10903)]