20365281

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2659}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 31536960

約数和(自身を除く): 11171679

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 2659, 7659, 7977, 23931, 61157, 98383, 183471, 295149, 550413, 885447, 2262809, 6788427, 20365281]

約数ペア:

[(1, 20365281), (3, 6788427), (9, 2262809), (23, 885447), (37, 550413), (69, 295149), (111, 183471), (207, 98383), (333, 61157), (851, 23931), (2553, 7977), (2659, 7659)]