20168902287

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39315599}}^1$

素因数の和:39315627

約数の個数: 16

約数和(自身を含む): 31452480000

約数和(自身を除く): 11283577713

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39315599, 117946797, 353840391, 746996381, 1061521173, 2240989143, 6722967429, 20168902287]

約数ペア:

[(1, 20168902287), (3, 6722967429), (9, 2240989143), (19, 1061521173), (27, 746996381), (57, 353840391), (171, 117946797), (513, 39315599)]