20848268

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4931}}^1$

素因数の和:5093

約数の個数: 24

約数和(自身を含む): 41981184

約数和(自身を除く): 21132916

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 4931, 9862, 19724, 34517, 69034, 138068, 744581, 1489162, 2978324, 5212067, 10424134, 20848268]

約数ペア:

[(1, 20848268), (2, 10424134), (4, 5212067), (7, 2978324), (14, 1489162), (28, 744581), (151, 138068), (302, 69034), (604, 34517), (1057, 19724), (2114, 9862), (4228, 4931)]