20394510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1109}}^1$

素因数の和:1732

約数の個数: 32

約数和(自身を含む): 49070880

約数和(自身を除く): 28676370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 613, 1109, 1226, 1839, 2218, 3065, 3327, 3678, 5545, 6130, 6654, 9195, 11090, 16635, 18390, 33270, 679817, 1359634, 2039451, 3399085, 4078902, 6798170, 10197255, 20394510]

約数ペア:

[(1, 20394510), (2, 10197255), (3, 6798170), (5, 4078902), (6, 3399085), (10, 2039451), (15, 1359634), (30, 679817), (613, 33270), (1109, 18390), (1226, 16635), (1839, 11090), (2218, 9195), (3065, 6654), (3327, 6130), (3678, 5545)]