20571485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2477}}^1$

素因数の和:2644

約数の個数: 16

約数和(自身を含む): 27119232

約数和(自身を除く): 6547747

約数列:

[1, 5, 11, 55, 151, 755, 1661, 2477, 8305, 12385, 27247, 136235, 374027, 1870135, 4114297, 20571485]

約数ペア:

[(1, 20571485), (5, 4114297), (11, 1870135), (55, 374027), (151, 136235), (755, 27247), (1661, 12385), (2477, 8305)]