20851250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{2383}}^1$

素因数の和:2412

約数の個数: 40

約数和(自身を含む): 44685696

約数和(自身を除く): 23834446

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 2383, 4375, 4766, 8750, 11915, 16681, 23830, 33362, 59575, 83405, 119150, 166810, 297875, 417025, 595750, 834050, 1489375, 2085125, 2978750, 4170250, 10425625, 20851250]

約数ペア:

[(1, 20851250), (2, 10425625), (5, 4170250), (7, 2978750), (10, 2085125), (14, 1489375), (25, 834050), (35, 595750), (50, 417025), (70, 297875), (125, 166810), (175, 119150), (250, 83405), (350, 59575), (625, 33362), (875, 23830), (1250, 16681), (1750, 11915), (2383, 8750), (4375, 4766)]