20555208

素因数分解:

$2^3\times 3^4\times {\mathrm{31721}}^1$

素因数の和:31739

約数の個数: 40

約数和(自身を含む): 57575430

約数和(自身を除く): 37020222

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31721, 63442, 95163, 126884, 190326, 253768, 285489, 380652, 570978, 761304, 856467, 1141956, 1712934, 2283912, 2569401, 3425868, 5138802, 6851736, 10277604, 20555208]

約数ペア:

[(1, 20555208), (2, 10277604), (3, 6851736), (4, 5138802), (6, 3425868), (8, 2569401), (9, 2283912), (12, 1712934), (18, 1141956), (24, 856467), (27, 761304), (36, 570978), (54, 380652), (72, 285489), (81, 253768), (108, 190326), (162, 126884), (216, 95163), (324, 63442), (648, 31721)]