16080020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73091}}^1$

素因数の和:73111

約数の個数: 24

約数和(自身を含む): 36838368

約数和(自身を除く): 20758348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 73091, 146182, 292364, 365455, 730910, 804001, 1461820, 1608002, 3216004, 4020005, 8040010, 16080020]

約数ペア:

[(1, 16080020), (2, 8040010), (4, 4020005), (5, 3216004), (10, 1608002), (11, 1461820), (20, 804001), (22, 730910), (44, 365455), (55, 292364), (110, 146182), (220, 73091)]