20383880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46327}}^1$

素因数の和:46349

約数の個数: 32

約数和(自身を含む): 50034240

約数和(自身を除く): 29650360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46327, 92654, 185308, 231635, 370616, 463270, 509597, 926540, 1019194, 1853080, 2038388, 2547985, 4076776, 5095970, 10191940, 20383880]

約数ペア:

[(1, 20383880), (2, 10191940), (4, 5095970), (5, 4076776), (8, 2547985), (10, 2038388), (11, 1853080), (20, 1019194), (22, 926540), (40, 509597), (44, 463270), (55, 370616), (88, 231635), (110, 185308), (220, 92654), (440, 46327)]