20335784

素因数分解:

$2^3\times 7^3\times {\mathrm{7411}}^1$

素因数の和:7438

約数の個数: 32

約数和(自身を含む): 44472000

約数和(自身を除く): 24136216

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7411, 14822, 29644, 51877, 59288, 103754, 207508, 363139, 415016, 726278, 1452556, 2541973, 2905112, 5083946, 10167892, 20335784]

約数ペア:

[(1, 20335784), (2, 10167892), (4, 5083946), (7, 2905112), (8, 2541973), (14, 1452556), (28, 726278), (49, 415016), (56, 363139), (98, 207508), (196, 103754), (343, 59288), (392, 51877), (686, 29644), (1372, 14822), (2744, 7411)]