22661660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{161869}}^1$

素因数の和:161885

約数の個数: 24

約数和(自身を含む): 54388320

約数和(自身を除く): 31726660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 161869, 323738, 647476, 809345, 1133083, 1618690, 2266166, 3237380, 4532332, 5665415, 11330830, 22661660]

約数ペア:

[(1, 22661660), (2, 11330830), (4, 5665415), (5, 4532332), (7, 3237380), (10, 2266166), (14, 1618690), (20, 1133083), (28, 809345), (35, 647476), (70, 323738), (140, 161869)]