20535872

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2035

約数の個数: 56

約数和(自身を含む): 48621696

約数和(自身を除く): 28085824

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1472, 1993, 2576, 3986, 5152, 7972, 10304, 13951, 15944, 27902, 31888, 45839, 55804, 63776, 91678, 111608, 127552, 183356, 223216, 320873, 366712, 446432, 641746, 733424, 892864, 1283492, 1466848, 2566984, 2933696, 5133968, 10267936, 20535872]

約数ペア:

[(1, 20535872), (2, 10267936), (4, 5133968), (7, 2933696), (8, 2566984), (14, 1466848), (16, 1283492), (23, 892864), (28, 733424), (32, 641746), (46, 446432), (56, 366712), (64, 320873), (92, 223216), (112, 183356), (161, 127552), (184, 111608), (224, 91678), (322, 63776), (368, 55804), (448, 45839), (644, 31888), (736, 27902), (1288, 15944), (1472, 13951), (1993, 10304), (2576, 7972), (3986, 5152)]