20648890585

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{509}}^1\times {\mathrm{3779}}^1$

素因数の和:4425

約数の個数: 32

約数和(自身を含む): 26372304000

約数和(自身を除く): 5723413415

約数列:

[1, 5, 19, 95, 113, 509, 565, 2147, 2545, 3779, 9671, 10735, 18895, 48355, 57517, 71801, 287585, 359005, 427027, 1092823, 1923511, 2135135, 5464115, 8113513, 9617555, 36546709, 40567565, 182733545, 217356743, 1086783715, 4129778117, 20648890585]

約数ペア:

[(1, 20648890585), (5, 4129778117), (19, 1086783715), (95, 217356743), (113, 182733545), (509, 40567565), (565, 36546709), (2147, 9617555), (2545, 8113513), (3779, 5464115), (9671, 2135135), (10735, 1923511), (18895, 1092823), (48355, 427027), (57517, 359005), (71801, 287585)]