20299755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1877}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 37499904

約数和(自身を除く): 17200149

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 1877, 2163, 3605, 5631, 9385, 10815, 13139, 28155, 39417, 65695, 193331, 197085, 579993, 966655, 1353317, 2899965, 4059951, 6766585, 20299755]

約数ペア:

[(1, 20299755), (3, 6766585), (5, 4059951), (7, 2899965), (15, 1353317), (21, 966655), (35, 579993), (103, 197085), (105, 193331), (309, 65695), (515, 39417), (721, 28155), (1545, 13139), (1877, 10815), (2163, 9385), (3605, 5631)]