20424068

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17791}}^1$

素因数の和:17843

約数の個数: 24

約数和(自身を含む): 41846784

約数和(自身を除く): 21422716

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17791, 35582, 71164, 124537, 249074, 498148, 729431, 1458862, 2917724, 5106017, 10212034, 20424068]

約数ペア:

[(1, 20424068), (2, 10212034), (4, 5106017), (7, 2917724), (14, 1458862), (28, 729431), (41, 498148), (82, 249074), (164, 124537), (287, 71164), (574, 35582), (1148, 17791)]