20658930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{688631}}^1$

素因数の和:688641

約数の個数: 16

約数和(自身を含む): 49581504

約数和(自身を除く): 28922574

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 688631, 1377262, 2065893, 3443155, 4131786, 6886310, 10329465, 20658930]

約数ペア:

[(1, 20658930), (2, 10329465), (3, 6886310), (5, 4131786), (6, 3443155), (10, 2065893), (15, 1377262), (30, 688631)]