20864944

素因数分解:

$2^4\times {\mathrm{787}}^1\times {\mathrm{1657}}^1$

素因数の和:2452

約数の個数: 20

約数和(自身を含む): 40501624

約数和(自身を除く): 19636680

約数列:

[1, 2, 4, 8, 16, 787, 1574, 1657, 3148, 3314, 6296, 6628, 12592, 13256, 26512, 1304059, 2608118, 5216236, 10432472, 20864944]

約数ペア:

[(1, 20864944), (2, 10432472), (4, 5216236), (8, 2608118), (16, 1304059), (787, 26512), (1574, 13256), (1657, 12592), (3148, 6628), (3314, 6296)]