20389432

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19163}}^1$

素因数の和:19195

約数の個数: 32

約数和(自身を含む): 45993600

約数和(自身を除く): 25604168

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19163, 38326, 76652, 134141, 153304, 268282, 364097, 536564, 728194, 1073128, 1456388, 2548679, 2912776, 5097358, 10194716, 20389432]

約数ペア:

[(1, 20389432), (2, 10194716), (4, 5097358), (7, 2912776), (8, 2548679), (14, 1456388), (19, 1073128), (28, 728194), (38, 536564), (56, 364097), (76, 268282), (133, 153304), (152, 134141), (266, 76652), (532, 38326), (1064, 19163)]