20442420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{337}}^2$

素因数の和:689

約数の個数: 54

約数和(自身を含む): 62193222

約数和(自身を除く): 41750802

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 337, 674, 1011, 1348, 1685, 2022, 3033, 3370, 4044, 5055, 6066, 6740, 10110, 12132, 15165, 20220, 30330, 60660, 113569, 227138, 340707, 454276, 567845, 681414, 1022121, 1135690, 1362828, 1703535, 2044242, 2271380, 3407070, 4088484, 5110605, 6814140, 10221210, 20442420]

約数ペア:

[(1, 20442420), (2, 10221210), (3, 6814140), (4, 5110605), (5, 4088484), (6, 3407070), (9, 2271380), (10, 2044242), (12, 1703535), (15, 1362828), (18, 1135690), (20, 1022121), (30, 681414), (36, 567845), (45, 454276), (60, 340707), (90, 227138), (180, 113569), (337, 60660), (674, 30330), (1011, 20220), (1348, 15165), (1685, 12132), (2022, 10110), (3033, 6740), (3370, 6066), (4044, 5055)]