20213880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{168449}}^1$

素因数の和:168463

約数の個数: 32

約数和(自身を含む): 60642000

約数和(自身を除く): 40428120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 168449, 336898, 505347, 673796, 842245, 1010694, 1347592, 1684490, 2021388, 2526735, 3368980, 4042776, 5053470, 6737960, 10106940, 20213880]

約数ペア:

[(1, 20213880), (2, 10106940), (3, 6737960), (4, 5053470), (5, 4042776), (6, 3368980), (8, 2526735), (10, 2021388), (12, 1684490), (15, 1347592), (20, 1010694), (24, 842245), (30, 673796), (40, 505347), (60, 336898), (120, 168449)]