20148827240

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1137067}}^1$

素因数の和:1137521

約数の個数: 32

約数和(自身を含む): 45437237280

約数和(自身を除く): 25288410040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8860, 17720, 1137067, 2274134, 4548268, 5685335, 9096536, 11370670, 22741340, 45482680, 503720681, 1007441362, 2014882724, 2518603405, 4029765448, 5037206810, 10074413620, 20148827240]

約数ペア:

[(1, 20148827240), (2, 10074413620), (4, 5037206810), (5, 4029765448), (8, 2518603405), (10, 2014882724), (20, 1007441362), (40, 503720681), (443, 45482680), (886, 22741340), (1772, 11370670), (2215, 9096536), (3544, 5685335), (4430, 4548268), (8860, 2274134), (17720, 1137067)]