20549893

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 26352000

約数和(自身を除く): 5802107

約数列:

[1, 7, 13, 29, 91, 169, 203, 377, 599, 1183, 2639, 4193, 4901, 7787, 17371, 34307, 54509, 101231, 121597, 225823, 708617, 1580761, 2935699, 20549893]

約数ペア:

[(1, 20549893), (7, 2935699), (13, 1580761), (29, 708617), (91, 225823), (169, 121597), (203, 101231), (377, 54509), (599, 34307), (1183, 17371), (2639, 7787), (4193, 4901)]