20644995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2027}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 38158848

約数和(自身を除く): 17513853

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 291, 485, 679, 1455, 2027, 2037, 3395, 6081, 10135, 10185, 14189, 30405, 42567, 70945, 196619, 212835, 589857, 983095, 1376333, 2949285, 4128999, 6881665, 20644995]

約数ペア:

[(1, 20644995), (3, 6881665), (5, 4128999), (7, 2949285), (15, 1376333), (21, 983095), (35, 589857), (97, 212835), (105, 196619), (291, 70945), (485, 42567), (679, 30405), (1455, 14189), (2027, 10185), (2037, 10135), (3395, 6081)]