20565643965

素因数分解:

$3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{787}}^1\times {\mathrm{3331}}^1$

素因数の和:4649

約数の個数: 32

約数和(自身を含む): 33019746816

約数和(自身を除く): 12454102851

約数列:

[1, 3, 5, 15, 523, 787, 1569, 2361, 2615, 3331, 3935, 7845, 9993, 11805, 16655, 49965, 411601, 1234803, 1742113, 2058005, 2621497, 5226339, 6174015, 7864491, 8710565, 13107485, 26131695, 39322455, 1371042931, 4113128793, 6855214655, 20565643965]

約数ペア:

[(1, 20565643965), (3, 6855214655), (5, 4113128793), (15, 1371042931), (523, 39322455), (787, 26131695), (1569, 13107485), (2361, 8710565), (2615, 7864491), (3331, 6174015), (3935, 5226339), (7845, 2621497), (9993, 2058005), (11805, 1742113), (16655, 1234803), (49965, 411601)]