20115865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52249}}^1$

素因数の和:52272

約数の個数: 16

約数和(自身を含む): 30096000

約数和(自身を除く): 9980135

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 52249, 261245, 365743, 574739, 1828715, 2873695, 4023173, 20115865]

約数ペア:

[(1, 20115865), (5, 4023173), (7, 2873695), (11, 1828715), (35, 574739), (55, 365743), (77, 261245), (385, 52249)]