20673645

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13381}}^1$

素因数の和:13492

約数の個数: 16

約数和(自身を含む): 33401472

約数和(自身を除く): 12727827

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 13381, 40143, 66905, 200715, 1378243, 4134729, 6891215, 20673645]

約数ペア:

[(1, 20673645), (3, 6891215), (5, 4134729), (15, 1378243), (103, 200715), (309, 66905), (515, 40143), (1545, 13381)]