20440440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56779}}^1$

素因数の和:56796

約数の個数: 48

約数和(自身を含む): 66432600

約数和(自身を除く): 45992160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56779, 113558, 170337, 227116, 283895, 340674, 454232, 511011, 567790, 681348, 851685, 1022022, 1135580, 1362696, 1703370, 2044044, 2271160, 2555055, 3406740, 4088088, 5110110, 6813480, 10220220, 20440440]

約数ペア:

[(1, 20440440), (2, 10220220), (3, 6813480), (4, 5110110), (5, 4088088), (6, 3406740), (8, 2555055), (9, 2271160), (10, 2044044), (12, 1703370), (15, 1362696), (18, 1135580), (20, 1022022), (24, 851685), (30, 681348), (36, 567790), (40, 511011), (45, 454232), (60, 340674), (72, 283895), (90, 227116), (120, 170337), (180, 113558), (360, 56779)]