20497631

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2237}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 27554256

約数和(自身を除く): 7056625

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 539, 833, 1309, 2237, 9163, 15659, 24607, 38029, 109613, 172249, 266203, 418319, 1205743, 1863421, 2928233, 20497631]

約数ペア:

[(1, 20497631), (7, 2928233), (11, 1863421), (17, 1205743), (49, 418319), (77, 266203), (119, 172249), (187, 109613), (539, 38029), (833, 24607), (1309, 15659), (2237, 9163)]