20139088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2195

約数の個数: 40

約数和(自身を含む): 42417920

約数和(自身を除く): 22278832

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2137, 2356, 4274, 4712, 8548, 9424, 17096, 34192, 40603, 66247, 81206, 132494, 162412, 264988, 324824, 529976, 649648, 1059952, 1258693, 2517386, 5034772, 10069544, 20139088]

約数ペア:

[(1, 20139088), (2, 10069544), (4, 5034772), (8, 2517386), (16, 1258693), (19, 1059952), (31, 649648), (38, 529976), (62, 324824), (76, 264988), (124, 162412), (152, 132494), (248, 81206), (304, 66247), (496, 40603), (589, 34192), (1178, 17096), (2137, 9424), (2356, 8548), (4274, 4712)]