20096965

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 9578555

約数列:

[1, 5, 7, 19, 35, 47, 95, 133, 235, 329, 643, 665, 893, 1645, 3215, 4465, 4501, 6251, 12217, 22505, 30221, 31255, 61085, 85519, 151105, 211547, 427595, 574199, 1057735, 2870995, 4019393, 20096965]

約数ペア:

[(1, 20096965), (5, 4019393), (7, 2870995), (19, 1057735), (35, 574199), (47, 427595), (95, 211547), (133, 151105), (235, 85519), (329, 61085), (643, 31255), (665, 30221), (893, 22505), (1645, 12217), (3215, 6251), (4465, 4501)]