2020403721

素因数分解:

$3^1\times 7^2\times {\mathrm{13744243}}^1$

素因数の和:13744260

約数の個数: 12

約数和(自身を含む): 3133687632

約数和(自身を除く): 1113283911

約数列:

[1, 3, 7, 21, 49, 147, 13744243, 41232729, 96209701, 288629103, 673467907, 2020403721]

約数ペア:

[(1, 2020403721), (3, 673467907), (7, 288629103), (21, 96209701), (49, 41232729), (147, 13744243)]