20179946488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{194037947}}^1$

素因数の和:194037966

約数の個数: 16

約数和(自身を含む): 40747969080

約数和(自身を除く): 20568022592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 194037947, 388075894, 776151788, 1552303576, 2522493311, 5044986622, 10089973244, 20179946488]

約数ペア:

[(1, 20179946488), (2, 10089973244), (4, 5044986622), (8, 2522493311), (13, 1552303576), (26, 776151788), (52, 388075894), (104, 194037947)]