20990460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349841}}^1$

素因数の和:349853

約数の個数: 24

約数和(自身を含む): 58773456

約数和(自身を除く): 37782996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349841, 699682, 1049523, 1399364, 1749205, 2099046, 3498410, 4198092, 5247615, 6996820, 10495230, 20990460]

約数ペア:

[(1, 20990460), (2, 10495230), (3, 6996820), (4, 5247615), (5, 4198092), (6, 3498410), (10, 2099046), (12, 1749205), (15, 1399364), (20, 1049523), (30, 699682), (60, 349841)]