20906620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149333}}^1$

素因数の和:149349

約数の個数: 24

約数和(自身を含む): 50176224

約数和(自身を除く): 29269604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149333, 298666, 597332, 746665, 1045331, 1493330, 2090662, 2986660, 4181324, 5226655, 10453310, 20906620]

約数ペア:

[(1, 20906620), (2, 10453310), (4, 5226655), (5, 4181324), (7, 2986660), (10, 2090662), (14, 1493330), (20, 1045331), (28, 746665), (35, 597332), (70, 298666), (140, 149333)]