660220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3001}}^1$

素因数の和:3021

約数の個数: 24

約数和(自身を含む): 1513008

約数和(自身を除く): 852788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3001, 6002, 12004, 15005, 30010, 33011, 60020, 66022, 132044, 165055, 330110, 660220]

約数ペア:

[(1, 660220), (2, 330110), (4, 165055), (5, 132044), (10, 66022), (11, 60020), (20, 33011), (22, 30010), (44, 15005), (55, 12004), (110, 6002), (220, 3001)]