20722856

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33641}}^1$

素因数の和:33665

約数の個数: 32

約数和(自身を含む): 48444480

約数和(自身を除く): 27721624

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33641, 67282, 134564, 235487, 269128, 370051, 470974, 740102, 941948, 1480204, 1883896, 2590357, 2960408, 5180714, 10361428, 20722856]

約数ペア:

[(1, 20722856), (2, 10361428), (4, 5180714), (7, 2960408), (8, 2590357), (11, 1883896), (14, 1480204), (22, 941948), (28, 740102), (44, 470974), (56, 370051), (77, 269128), (88, 235487), (154, 134564), (308, 67282), (616, 33641)]