20445243

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74891}}^1$

素因数の和:74914

約数の個数: 16

約数和(自身を含む): 33551616

約数和(自身を除く): 13106373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 74891, 224673, 524237, 973583, 1572711, 2920749, 6815081, 20445243]

約数ペア:

[(1, 20445243), (3, 6815081), (7, 2920749), (13, 1572711), (21, 973583), (39, 524237), (91, 224673), (273, 74891)]