20491590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97579}}^1$

素因数の和:97596

約数の個数: 32

約数和(自身を含む): 56206080

約数和(自身を除く): 35714490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97579, 195158, 292737, 487895, 585474, 683053, 975790, 1366106, 1463685, 2049159, 2927370, 3415265, 4098318, 6830530, 10245795, 20491590]

約数ペア:

[(1, 20491590), (2, 10245795), (3, 6830530), (5, 4098318), (6, 3415265), (7, 2927370), (10, 2049159), (14, 1463685), (15, 1366106), (21, 975790), (30, 683053), (35, 585474), (42, 487895), (70, 292737), (105, 195158), (210, 97579)]