20202045

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31321}}^1$

素因数の和:31372

約数の個数: 16

約数和(自身を含む): 33076032

約数和(自身を除く): 12873987

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31321, 93963, 156605, 469815, 1346803, 4040409, 6734015, 20202045]

約数ペア:

[(1, 20202045), (3, 6734015), (5, 4040409), (15, 1346803), (43, 469815), (129, 156605), (215, 93963), (645, 31321)]