20150488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3083}}^1$

素因数の和:3151

約数の個数: 32

約数和(自身を含む): 40708800

約数和(自身を除く): 20558312

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3083, 3268, 6166, 6536, 12332, 24664, 58577, 117154, 132569, 234308, 265138, 468616, 530276, 1060552, 2518811, 5037622, 10075244, 20150488]

約数ペア:

[(1, 20150488), (2, 10075244), (4, 5037622), (8, 2518811), (19, 1060552), (38, 530276), (43, 468616), (76, 265138), (86, 234308), (152, 132569), (172, 117154), (344, 58577), (817, 24664), (1634, 12332), (3083, 6536), (3268, 6166)]