20123909897

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{3299}}^1\times {\mathrm{67033}}^1$

素因数の和:70352

約数の個数: 16

約数和(自身を含む): 24775766400

約数和(自身を除く): 4651856503

約数列:

[1, 7, 13, 91, 3299, 23093, 42887, 67033, 300209, 469231, 871429, 6100003, 221141867, 1547993069, 2874844271, 20123909897]

約数ペア:

[(1, 20123909897), (7, 2874844271), (13, 1547993069), (91, 221141867), (3299, 6100003), (23093, 871429), (42887, 469231), (67033, 300209)]