20376620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4027}}^1$

素因数の和:4070

約数の個数: 48

約数和(自身を含む): 48722688

約数和(自身を除く): 28346068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 4027, 5060, 8054, 16108, 20135, 40270, 44297, 80540, 88594, 92621, 177188, 185242, 221485, 370484, 442970, 463105, 885940, 926210, 1018831, 1852420, 2037662, 4075324, 5094155, 10188310, 20376620]

約数ペア:

[(1, 20376620), (2, 10188310), (4, 5094155), (5, 4075324), (10, 2037662), (11, 1852420), (20, 1018831), (22, 926210), (23, 885940), (44, 463105), (46, 442970), (55, 370484), (92, 221485), (110, 185242), (115, 177188), (220, 92621), (230, 88594), (253, 80540), (460, 44297), (506, 40270), (1012, 20135), (1265, 16108), (2530, 8054), (4027, 5060)]