20549165

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2377}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 31960320

約数和(自身を除く): 11411155

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 2377, 8645, 11885, 16639, 30901, 45163, 83195, 154505, 216307, 225815, 316141, 587119, 1081535, 1580705, 2935595, 4109833, 20549165]

約数ペア:

[(1, 20549165), (5, 4109833), (7, 2935595), (13, 1580705), (19, 1081535), (35, 587119), (65, 316141), (91, 225815), (95, 216307), (133, 154505), (247, 83195), (455, 45163), (665, 30901), (1235, 16639), (1729, 11885), (2377, 8645)]