20538553655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{18617}}^1\times {\mathrm{12979}}^1$

素因数の和:31618

約数の個数: 16

約数和(自身を含む): 26099457120

約数和(自身を除く): 5560903465

約数列:

[1, 5, 17, 85, 12979, 18617, 64895, 93085, 220643, 316489, 1103215, 1582445, 241630043, 1208150215, 4107710731, 20538553655]

約数ペア:

[(1, 20538553655), (5, 4107710731), (17, 1208150215), (85, 241630043), (12979, 1582445), (18617, 1103215), (64895, 316489), (93085, 220643)]