20461790

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 17554210

約数列:

[1, 2, 5, 10, 59, 79, 118, 158, 295, 395, 439, 590, 790, 878, 2195, 4390, 4661, 9322, 23305, 25901, 34681, 46610, 51802, 69362, 129505, 173405, 259010, 346810, 2046179, 4092358, 10230895, 20461790]

約数ペア:

[(1, 20461790), (2, 10230895), (5, 4092358), (10, 2046179), (59, 346810), (79, 259010), (118, 173405), (158, 129505), (295, 69362), (395, 51802), (439, 46610), (590, 34681), (790, 25901), (878, 23305), (2195, 9322), (4390, 4661)]