20263760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23027}}^1$

素因数の和:23051

約数の個数: 40

約数和(自身を含む): 51398496

約数和(自身を除く): 31134736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23027, 46054, 92108, 115135, 184216, 230270, 253297, 368432, 460540, 506594, 921080, 1013188, 1266485, 1842160, 2026376, 2532970, 4052752, 5065940, 10131880, 20263760]

約数ペア:

[(1, 20263760), (2, 10131880), (4, 5065940), (5, 4052752), (8, 2532970), (10, 2026376), (11, 1842160), (16, 1266485), (20, 1013188), (22, 921080), (40, 506594), (44, 460540), (55, 368432), (80, 253297), (88, 230270), (110, 184216), (176, 115135), (220, 92108), (440, 46054), (880, 23027)]