20049393

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^2$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 33023424

約数和(自身を除く): 12974031

約数列:

[1, 3, 7, 13, 21, 39, 91, 271, 273, 813, 1897, 3523, 5691, 10569, 24661, 73441, 73983, 220323, 514087, 954733, 1542261, 2864199, 6683131, 20049393]

約数ペア:

[(1, 20049393), (3, 6683131), (7, 2864199), (13, 1542261), (21, 954733), (39, 514087), (91, 220323), (271, 73983), (273, 73441), (813, 24661), (1897, 10569), (3523, 5691)]