63866020

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{8209}}^1$

素因数の和:8607

約数の個数: 24

約数和(自身を含む): 134479800

約数和(自身を除く): 70613780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 8209, 16418, 32836, 41045, 82090, 164180, 3193301, 6386602, 12773204, 15966505, 31933010, 63866020]

約数ペア:

[(1, 63866020), (2, 31933010), (4, 15966505), (5, 12773204), (10, 6386602), (20, 3193301), (389, 164180), (778, 82090), (1556, 41045), (1945, 32836), (3890, 16418), (7780, 8209)]