20218113215

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{6301}}^1$

素因数の和:6587

約数の個数: 32

約数和(自身を含む): 25182792000

約数和(自身を除く): 4964678785

約数列:

[1, 5, 59, 73, 149, 295, 365, 745, 4307, 6301, 8791, 10877, 21535, 31505, 43955, 54385, 371759, 459973, 641743, 938849, 1858795, 2299865, 3208715, 4694245, 27138407, 55392091, 68535977, 135692035, 276960455, 342679885, 4043622643, 20218113215]

約数ペア:

[(1, 20218113215), (5, 4043622643), (59, 342679885), (73, 276960455), (149, 135692035), (295, 68535977), (365, 55392091), (745, 27138407), (4307, 4694245), (6301, 3208715), (8791, 2299865), (10877, 1858795), (21535, 938849), (31505, 641743), (43955, 459973), (54385, 371759)]