20868190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1237}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 43141824

約数和(自身を除く): 22273634

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 241, 482, 1205, 1237, 1687, 2410, 2474, 3374, 6185, 8435, 8659, 12370, 16870, 17318, 43295, 86590, 298117, 596234, 1490585, 2086819, 2981170, 4173638, 10434095, 20868190]

約数ペア:

[(1, 20868190), (2, 10434095), (5, 4173638), (7, 2981170), (10, 2086819), (14, 1490585), (35, 596234), (70, 298117), (241, 86590), (482, 43295), (1205, 17318), (1237, 16870), (1687, 12370), (2410, 8659), (2474, 8435), (3374, 6185)]