20630580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18097}}^1$

素因数の和:18128

約数の個数: 48

約数和(自身を含む): 60809280

約数和(自身を除く): 40178700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18097, 36194, 54291, 72388, 90485, 108582, 180970, 217164, 271455, 343843, 361940, 542910, 687686, 1031529, 1085820, 1375372, 1719215, 2063058, 3438430, 4126116, 5157645, 6876860, 10315290, 20630580]

約数ペア:

[(1, 20630580), (2, 10315290), (3, 6876860), (4, 5157645), (5, 4126116), (6, 3438430), (10, 2063058), (12, 1719215), (15, 1375372), (19, 1085820), (20, 1031529), (30, 687686), (38, 542910), (57, 361940), (60, 343843), (76, 271455), (95, 217164), (114, 180970), (190, 108582), (228, 90485), (285, 72388), (380, 54291), (570, 36194), (1140, 18097)]