20089636

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5477}}^1$

素因数の和:5619

約数の個数: 24

約数和(自身を含む): 40493376

約数和(自身を除く): 20403740

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5477, 10954, 21908, 38339, 76678, 153356, 717487, 1434974, 2869948, 5022409, 10044818, 20089636]

約数ペア:

[(1, 20089636), (2, 10044818), (4, 5022409), (7, 2869948), (14, 1434974), (28, 717487), (131, 153356), (262, 76678), (524, 38339), (917, 21908), (1834, 10954), (3668, 5477)]