20103824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5087}}^1$

素因数の和:5127

約数の個数: 40

約数和(自身を含む): 44163840

約数和(自身を除く): 24060016

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 5087, 10174, 20348, 40696, 66131, 81392, 96653, 132262, 193306, 264524, 386612, 529048, 773224, 1058096, 1256489, 1546448, 2512978, 5025956, 10051912, 20103824]

約数ペア:

[(1, 20103824), (2, 10051912), (4, 5025956), (8, 2512978), (13, 1546448), (16, 1256489), (19, 1058096), (26, 773224), (38, 529048), (52, 386612), (76, 264524), (104, 193306), (152, 132262), (208, 96653), (247, 81392), (304, 66131), (494, 40696), (988, 20348), (1976, 10174), (3952, 5087)]