20926295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3319}}^1$

素因数の和:3434

約数の個数: 16

約数和(自身を含む): 27330240

約数和(自身を除く): 6403945

約数列:

[1, 5, 13, 65, 97, 485, 1261, 3319, 6305, 16595, 43147, 215735, 321943, 1609715, 4185259, 20926295]

約数ペア:

[(1, 20926295), (5, 4185259), (13, 1609715), (65, 321943), (97, 215735), (485, 43147), (1261, 16595), (3319, 6305)]