20185495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11839}}^1$

素因数の和:11886

約数の個数: 16

約数和(自身を含む): 27279360

約数和(自身を除く): 7093865

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 11839, 59195, 130229, 367009, 651145, 1835045, 4037099, 20185495]

約数ペア:

[(1, 20185495), (5, 4037099), (11, 1835045), (31, 651145), (55, 367009), (155, 130229), (341, 59195), (1705, 11839)]