20395570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1039}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 19440590

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1039, 1510, 1963, 2078, 3926, 5195, 9815, 10390, 13507, 19630, 27014, 67535, 135070, 156889, 313778, 784445, 1568890, 2039557, 4079114, 10197785, 20395570]

約数ペア:

[(1, 20395570), (2, 10197785), (5, 4079114), (10, 2039557), (13, 1568890), (26, 784445), (65, 313778), (130, 156889), (151, 135070), (302, 67535), (755, 27014), (1039, 19630), (1510, 13507), (1963, 10390), (2078, 9815), (3926, 5195)]