20571110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15467}}^1$

素因数の和:15500

約数の個数: 32

約数和(自身を含む): 44547840

約数和(自身を除く): 23976730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15467, 30934, 77335, 108269, 154670, 216538, 293873, 541345, 587746, 1082690, 1469365, 2057111, 2938730, 4114222, 10285555, 20571110]

約数ペア:

[(1, 20571110), (2, 10285555), (5, 4114222), (7, 2938730), (10, 2057111), (14, 1469365), (19, 1082690), (35, 587746), (38, 541345), (70, 293873), (95, 216538), (133, 154670), (190, 108269), (266, 77335), (665, 30934), (1330, 15467)]