20128728

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{11489}}^1$

素因数の和:11571

約数の個数: 32

約数和(自身を含む): 51015600

約数和(自身を除く): 30886872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 876, 1752, 11489, 22978, 34467, 45956, 68934, 91912, 137868, 275736, 838697, 1677394, 2516091, 3354788, 5032182, 6709576, 10064364, 20128728]

約数ペア:

[(1, 20128728), (2, 10064364), (3, 6709576), (4, 5032182), (6, 3354788), (8, 2516091), (12, 1677394), (24, 838697), (73, 275736), (146, 137868), (219, 91912), (292, 68934), (438, 45956), (584, 34467), (876, 22978), (1752, 11489)]