20780051876

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{233}}^1\times {\mathrm{332779}}^1$

素因数の和:333083

約数の個数: 24

約数和(自身を含む): 37066367520

約数和(自身を除く): 16286315644

約数列:

[1, 2, 4, 67, 134, 233, 268, 466, 932, 15611, 31222, 62444, 332779, 665558, 1331116, 22296193, 44592386, 77537507, 89184772, 155075014, 310150028, 5195012969, 10390025938, 20780051876]

約数ペア:

[(1, 20780051876), (2, 10390025938), (4, 5195012969), (67, 310150028), (134, 155075014), (233, 89184772), (268, 77537507), (466, 44592386), (932, 22296193), (15611, 1331116), (31222, 665558), (62444, 332779)]