20881530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77339}}^1$

素因数の和:77355

約数の個数: 32

約数和(自身を含む): 55684800

約数和(自身を除く): 34803270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77339, 154678, 232017, 386695, 464034, 696051, 773390, 1160085, 1392102, 2088153, 2320170, 3480255, 4176306, 6960510, 10440765, 20881530]

約数ペア:

[(1, 20881530), (2, 10440765), (3, 6960510), (5, 4176306), (6, 3480255), (9, 2320170), (10, 2088153), (15, 1392102), (18, 1160085), (27, 773390), (30, 696051), (45, 464034), (54, 386695), (90, 232017), (135, 154678), (270, 77339)]