20165784976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66334819}}^1$

素因数の和:66334846

約数の個数: 20

約数和(自身を含む): 41127588400

約数和(自身を除く): 20961803424

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66334819, 132669638, 265339276, 530678552, 1061357104, 1260361561, 2520723122, 5041446244, 10082892488, 20165784976]

約数ペア:

[(1, 20165784976), (2, 10082892488), (4, 5041446244), (8, 2520723122), (16, 1260361561), (19, 1061357104), (38, 530678552), (76, 265339276), (152, 132669638), (304, 66334819)]