20236743

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11281977

約数列:

[1, 3, 9, 27, 37, 47, 111, 141, 333, 423, 431, 999, 1269, 1293, 1739, 3879, 5217, 11637, 15651, 15947, 20257, 46953, 47841, 60771, 143523, 182313, 430569, 546939, 749509, 2248527, 6745581, 20236743]

約数ペア:

[(1, 20236743), (3, 6745581), (9, 2248527), (27, 749509), (37, 546939), (47, 430569), (111, 182313), (141, 143523), (333, 60771), (423, 47841), (431, 46953), (999, 20257), (1269, 15947), (1293, 15651), (1739, 11637), (3879, 5217)]