20481032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17903}}^1$

素因数の和:17933

約数の個数: 32

約数和(自身を含む): 45118080

約数和(自身を除く): 24637048

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17903, 35806, 71612, 143224, 196933, 232739, 393866, 465478, 787732, 930956, 1575464, 1861912, 2560129, 5120258, 10240516, 20481032]

約数ペア:

[(1, 20481032), (2, 10240516), (4, 5120258), (8, 2560129), (11, 1861912), (13, 1575464), (22, 930956), (26, 787732), (44, 465478), (52, 393866), (88, 232739), (104, 196933), (143, 143224), (286, 71612), (572, 35806), (1144, 17903)]