20031128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1907}}^1$

素因数の和:2027

約数の個数: 32

約数和(自身を含む): 40869360

約数和(自身を除く): 20838232

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 1907, 2626, 3814, 5252, 7628, 10504, 15256, 24791, 49582, 99164, 192607, 198328, 385214, 770428, 1540856, 2503891, 5007782, 10015564, 20031128]

約数ペア:

[(1, 20031128), (2, 10015564), (4, 5007782), (8, 2503891), (13, 1540856), (26, 770428), (52, 385214), (101, 198328), (104, 192607), (202, 99164), (404, 49582), (808, 24791), (1313, 15256), (1907, 10504), (2626, 7628), (3814, 5252)]