20177105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7219}}^1$

素因数の和:7280

約数の個数: 16

約数和(自身を含む): 26685120

約数和(自身を除く): 6508015

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 7219, 36095, 93847, 310417, 469235, 1552085, 4035421, 20177105]

約数ペア:

[(1, 20177105), (5, 4035421), (13, 1552085), (43, 469235), (65, 310417), (215, 93847), (559, 36095), (2795, 7219)]