20739968263

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{680959}}^1$

素因数の和:681214

約数の個数: 16

約数和(自身を含む): 25059328000

約数和(自身を除く): 4319359737

約数列:

[1, 7, 19, 133, 229, 1603, 4351, 30457, 680959, 4766713, 12938221, 90567547, 155939611, 1091577277, 2962852609, 20739968263]

約数ペア:

[(1, 20739968263), (7, 2962852609), (19, 1091577277), (133, 155939611), (229, 90567547), (1603, 12938221), (4351, 4766713), (30457, 680959)]