20309126780

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1119577}}^1$

素因数の和:1120493

約数の個数: 24

約数和(自身を含む): 42696226608

約数和(自身を除く): 22387099828

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 3628, 4535, 9070, 18140, 1119577, 2239154, 4478308, 5597885, 11195770, 22391540, 1015456339, 2030912678, 4061825356, 5077281695, 10154563390, 20309126780]

約数ペア:

[(1, 20309126780), (2, 10154563390), (4, 5077281695), (5, 4061825356), (10, 2030912678), (20, 1015456339), (907, 22391540), (1814, 11195770), (3628, 5597885), (4535, 4478308), (9070, 2239154), (18140, 1119577)]