20490546

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 21442254

約数列:

[1, 2, 3, 6, 79, 139, 158, 237, 278, 311, 417, 474, 622, 834, 933, 1866, 10981, 21962, 24569, 32943, 43229, 49138, 65886, 73707, 86458, 129687, 147414, 259374, 3415091, 6830182, 10245273, 20490546]

約数ペア:

[(1, 20490546), (2, 10245273), (3, 6830182), (6, 3415091), (79, 259374), (139, 147414), (158, 129687), (237, 86458), (278, 73707), (311, 65886), (417, 49138), (474, 43229), (622, 32943), (834, 24569), (933, 21962), (1866, 10981)]