20774495

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 30191616

約数和(自身を除く): 9417121

約数列:

[1, 5, 7, 31, 35, 41, 155, 205, 217, 287, 467, 1085, 1271, 1435, 2335, 3269, 6355, 8897, 14477, 16345, 19147, 44485, 72385, 95735, 101339, 134029, 506695, 593557, 670145, 2967785, 4154899, 20774495]

約数ペア:

[(1, 20774495), (5, 4154899), (7, 2967785), (31, 670145), (35, 593557), (41, 506695), (155, 134029), (205, 101339), (217, 95735), (287, 72385), (467, 44485), (1085, 19147), (1271, 16345), (1435, 14477), (2335, 8897), (3269, 6355)]