20531308

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43133}}^1$

素因数の和:43161

約数の個数: 24

約数和(自身を含む): 43479072

約数和(自身を除く): 22947764

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43133, 86266, 172532, 301931, 603862, 733261, 1207724, 1466522, 2933044, 5132827, 10265654, 20531308]

約数ペア:

[(1, 20531308), (2, 10265654), (4, 5132827), (7, 2933044), (14, 1466522), (17, 1207724), (28, 733261), (34, 603862), (68, 301931), (119, 172532), (238, 86266), (476, 43133)]