20701583

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5021}}^1$

素因数の和:5078

約数の個数: 16

約数和(自身を含む): 25712640

約数和(自身を除く): 5011057

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 5021, 35147, 95399, 155651, 667793, 1089557, 2957369, 20701583]

約数ペア:

[(1, 20701583), (7, 2957369), (19, 1089557), (31, 667793), (133, 155651), (217, 95399), (589, 35147), (4123, 5021)]