20916960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43577}}^1$

素因数の和:43595

約数の個数: 48

約数和(自身を含む): 65889936

約数和(自身を除く): 44972976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43577, 87154, 130731, 174308, 217885, 261462, 348616, 435770, 522924, 653655, 697232, 871540, 1045848, 1307310, 1394464, 1743080, 2091696, 2614620, 3486160, 4183392, 5229240, 6972320, 10458480, 20916960]

約数ペア:

[(1, 20916960), (2, 10458480), (3, 6972320), (4, 5229240), (5, 4183392), (6, 3486160), (8, 2614620), (10, 2091696), (12, 1743080), (15, 1394464), (16, 1307310), (20, 1045848), (24, 871540), (30, 697232), (32, 653655), (40, 522924), (48, 435770), (60, 348616), (80, 261462), (96, 217885), (120, 174308), (160, 130731), (240, 87154), (480, 43577)]