20865643994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{25703}}^1\times {\mathrm{31223}}^1$

素因数の和:56941

約数の個数: 16

約数和(自身を含む): 33708431232

約数和(自身を除く): 12842787238

約数列:

[1, 2, 13, 26, 25703, 31223, 51406, 62446, 334139, 405899, 668278, 811798, 802524769, 1605049538, 10432821997, 20865643994]

約数ペア:

[(1, 20865643994), (2, 10432821997), (13, 1605049538), (26, 802524769), (25703, 811798), (31223, 668278), (51406, 405899), (62446, 334139)]