20575230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52757}}^1$

素因数の和:52780

約数の個数: 32

約数和(自身を含む): 53180064

約数和(自身を除く): 32604834

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52757, 105514, 158271, 263785, 316542, 527570, 685841, 791355, 1371682, 1582710, 2057523, 3429205, 4115046, 6858410, 10287615, 20575230]

約数ペア:

[(1, 20575230), (2, 10287615), (3, 6858410), (5, 4115046), (6, 3429205), (10, 2057523), (13, 1582710), (15, 1371682), (26, 791355), (30, 685841), (39, 527570), (65, 316542), (78, 263785), (130, 158271), (195, 105514), (390, 52757)]