20049785

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9391}}^1$

素因数の和:9464

約数の個数: 16

約数和(自身を含む): 27950592

約数和(自身を除く): 7900807

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9391, 46955, 65737, 328685, 572851, 2864255, 4009957, 20049785]

約数ペア:

[(1, 20049785), (5, 4009957), (7, 2864255), (35, 572851), (61, 328685), (305, 65737), (427, 46955), (2135, 9391)]