20735918

素因数分解:

$2^1\times 7^2\times {\mathrm{457}}^1\times {\mathrm{463}}^1$

素因数の和:936

約数の個数: 24

約数和(自身を含む): 36339552

約数和(自身を除く): 15603634

約数列:

[1, 2, 7, 14, 49, 98, 457, 463, 914, 926, 3199, 3241, 6398, 6482, 22393, 22687, 44786, 45374, 211591, 423182, 1481137, 2962274, 10367959, 20735918]

約数ペア:

[(1, 20735918), (2, 10367959), (7, 2962274), (14, 1481137), (49, 423182), (98, 211591), (457, 45374), (463, 44786), (914, 22687), (926, 22393), (3199, 6482), (3241, 6398)]