20726199

素因数分解:

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

素因数の和:52

約数の個数: 28

約数和(自身を含む): 33480776

約数和(自身を除く): 12754577

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2187, 3159, 6561, 9477, 19683, 28431, 59049, 85293, 177147, 255879, 531441, 767637, 1594323, 2302911, 6908733, 20726199]

約数ペア:

[(1, 20726199), (3, 6908733), (9, 2302911), (13, 1594323), (27, 767637), (39, 531441), (81, 255879), (117, 177147), (243, 85293), (351, 59049), (729, 28431), (1053, 19683), (2187, 9477), (3159, 6561)]