20219045

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52517}}^1$

素因数の和:52540

約数の個数: 16

約数和(自身を含む): 30250368

約数和(自身を除く): 10031323

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 52517, 262585, 367619, 577687, 1838095, 2888435, 4043809, 20219045]

約数ペア:

[(1, 20219045), (5, 4043809), (7, 2888435), (11, 1838095), (35, 577687), (55, 367619), (77, 262585), (385, 52517)]