20836040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{11083}}^1$

素因数の和:11141

約数の個数: 32

約数和(自身を含む): 47882880

約数和(自身を除く): 27046840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 11083, 22166, 44332, 55415, 88664, 110830, 221660, 443320, 520901, 1041802, 2083604, 2604505, 4167208, 5209010, 10418020, 20836040]

約数ペア:

[(1, 20836040), (2, 10418020), (4, 5209010), (5, 4167208), (8, 2604505), (10, 2083604), (20, 1041802), (40, 520901), (47, 443320), (94, 221660), (188, 110830), (235, 88664), (376, 55415), (470, 44332), (940, 22166), (1880, 11083)]