20827916

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 37884000

約数和(自身を除く): 17056084

約数列:

[1, 2, 4, 29, 58, 116, 409, 439, 818, 878, 1636, 1756, 11861, 12731, 23722, 25462, 47444, 50924, 179551, 359102, 718204, 5206979, 10413958, 20827916]

約数ペア:

[(1, 20827916), (2, 10413958), (4, 5206979), (29, 718204), (58, 359102), (116, 179551), (409, 50924), (439, 47444), (818, 25462), (878, 23722), (1636, 12731), (1756, 11861)]