20165131693

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{2857}}^1$

素因数の和:3217

約数の個数: 32

約数和(自身を含む): 23902940160

約数和(自身を除く): 3737808467

約数列:

[1, 7, 43, 131, 179, 301, 917, 1253, 2857, 5633, 7697, 19999, 23449, 39431, 53879, 122851, 164143, 374267, 511403, 859957, 1008307, 2619869, 3579821, 7058149, 16093481, 21990329, 66993793, 112654367, 153932303, 468956551, 2880733099, 20165131693]

約数ペア:

[(1, 20165131693), (7, 2880733099), (43, 468956551), (131, 153932303), (179, 112654367), (301, 66993793), (917, 21990329), (1253, 16093481), (2857, 7058149), (5633, 3579821), (7697, 2619869), (19999, 1008307), (23449, 859957), (39431, 511403), (53879, 374267), (122851, 164143)]