20047555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12569}}^1$

素因数の和:12614

約数の個数: 16

約数和(自身を含む): 27151200

約数和(自身を除く): 7103645

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 12569, 62845, 138259, 364501, 691295, 1822505, 4009511, 20047555]

約数ペア:

[(1, 20047555), (5, 4009511), (11, 1822505), (29, 691295), (55, 364501), (145, 138259), (319, 62845), (1595, 12569)]