20474508

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2454

約数の個数: 48

約数和(自身を含む): 51480576

約数和(自身を除く): 31006068

約数列:

[1, 2, 3, 4, 6, 12, 23, 31, 46, 62, 69, 92, 93, 124, 138, 186, 276, 372, 713, 1426, 2139, 2393, 2852, 4278, 4786, 7179, 8556, 9572, 14358, 28716, 55039, 74183, 110078, 148366, 165117, 220156, 222549, 296732, 330234, 445098, 660468, 890196, 1706209, 3412418, 5118627, 6824836, 10237254, 20474508]

約数ペア:

[(1, 20474508), (2, 10237254), (3, 6824836), (4, 5118627), (6, 3412418), (12, 1706209), (23, 890196), (31, 660468), (46, 445098), (62, 330234), (69, 296732), (92, 222549), (93, 220156), (124, 165117), (138, 148366), (186, 110078), (276, 74183), (372, 55039), (713, 28716), (1426, 14358), (2139, 9572), (2393, 8556), (2852, 7179), (4278, 4786)]