20342078421

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9404567}}^1$

素因数の和:9404680

約数の個数: 16

約数和(自身を含む): 31298402304

約数和(自身を除く): 10956323883

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9404567, 28213701, 65831969, 197495907, 968670401, 2906011203, 6780692807, 20342078421]

約数ペア:

[(1, 20342078421), (3, 6780692807), (7, 2906011203), (21, 968670401), (103, 197495907), (309, 65831969), (721, 28213701), (2163, 9404567)]