20000248

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1489}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 39693600

約数和(自身を除く): 19693352

約数列:

[1, 2, 4, 8, 23, 46, 73, 92, 146, 184, 292, 584, 1489, 1679, 2978, 3358, 5956, 6716, 11912, 13432, 34247, 68494, 108697, 136988, 217394, 273976, 434788, 869576, 2500031, 5000062, 10000124, 20000248]

約数ペア:

[(1, 20000248), (2, 10000124), (4, 5000062), (8, 2500031), (23, 869576), (46, 434788), (73, 273976), (92, 217394), (146, 136988), (184, 108697), (292, 68494), (584, 34247), (1489, 13432), (1679, 11912), (2978, 6716), (3358, 5956)]