20436960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42577}}^1$

素因数の和:42595

約数の個数: 48

約数和(自身を含む): 64377936

約数和(自身を除く): 43940976

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, 42577, 85154, 127731, 170308, 212885, 255462, 340616, 425770, 510924, 638655, 681232, 851540, 1021848, 1277310, 1362464, 1703080, 2043696, 2554620, 3406160, 4087392, 5109240, 6812320, 10218480, 20436960]

約数ペア:

[(1, 20436960), (2, 10218480), (3, 6812320), (4, 5109240), (5, 4087392), (6, 3406160), (8, 2554620), (10, 2043696), (12, 1703080), (15, 1362464), (16, 1277310), (20, 1021848), (24, 851540), (30, 681232), (32, 638655), (40, 510924), (48, 425770), (60, 340616), (80, 255462), (96, 212885), (120, 170308), (160, 127731), (240, 85154), (480, 42577)]