20056881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4993}}^1$

素因数の和:5112

約数の個数: 16

約数和(自身を含む): 29085056

約数和(自身を除く): 9028175

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 4993, 14979, 64909, 194727, 514279, 1542837, 6685627, 20056881]

約数ペア:

[(1, 20056881), (3, 6685627), (13, 1542837), (39, 514279), (103, 194727), (309, 64909), (1339, 14979), (4017, 4993)]