20161748901

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50530699}}^1$

素因数の和:50530728

約数の個数: 16

約数和(自身を含む): 32339648000

約数和(自身を除く): 12177899099

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50530699, 151592097, 353714893, 960083281, 1061144679, 2880249843, 6720582967, 20161748901]

約数ペア:

[(1, 20161748901), (3, 6720582967), (7, 2880249843), (19, 1061144679), (21, 960083281), (57, 353714893), (133, 151592097), (399, 50530699)]