20446881

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74897}}^1$

素因数の和:74920

約数の個数: 16

約数和(自身を含む): 33554304

約数和(自身を除く): 13107423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 74897, 224691, 524279, 973661, 1572837, 2920983, 6815627, 20446881]

約数ペア:

[(1, 20446881), (3, 6815627), (7, 2920983), (13, 1572837), (21, 973661), (39, 524279), (91, 224691), (273, 74897)]