20948403

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{58679}}^1$

素因数の和:58706

約数の個数: 16

約数和(自身を含む): 33799680

約数和(自身を除く): 12851277

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 58679, 176037, 410753, 997543, 1232259, 2992629, 6982801, 20948403]

約数ペア:

[(1, 20948403), (3, 6982801), (7, 2992629), (17, 1232259), (21, 997543), (51, 410753), (119, 176037), (357, 58679)]