20071454

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1452

約数の個数: 24

約数和(自身を含む): 33383592

約数和(自身を除く): 13312138

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 1381, 2762, 7267, 14534, 17953, 35906, 59383, 118766, 233389, 466778, 771979, 1543958, 10035727, 20071454]

約数ペア:

[(1, 20071454), (2, 10035727), (13, 1543958), (26, 771979), (43, 466778), (86, 233389), (169, 118766), (338, 59383), (559, 35906), (1118, 17953), (1381, 14534), (2762, 7267)]