20865635

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19231}}^1$

素因数の和:19274

約数の個数: 16

約数和(自身を含む): 29540352

約数和(自身を除く): 8674717

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 19231, 96155, 134617, 596161, 673085, 2980805, 4173127, 20865635]

約数ペア:

[(1, 20865635), (5, 4173127), (7, 2980805), (31, 673085), (35, 596161), (155, 134617), (217, 96155), (1085, 19231)]