20987184

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{15077}}^1$

素因数の和:15117

約数の個数: 40

約数和(自身を含む): 56090160

約数和(自身を除く): 35102976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 15077, 30154, 45231, 60308, 90462, 120616, 180924, 241232, 361848, 437233, 723696, 874466, 1311699, 1748932, 2623398, 3497864, 5246796, 6995728, 10493592, 20987184]

約数ペア:

[(1, 20987184), (2, 10493592), (3, 6995728), (4, 5246796), (6, 3497864), (8, 2623398), (12, 1748932), (16, 1311699), (24, 874466), (29, 723696), (48, 437233), (58, 361848), (87, 241232), (116, 180924), (174, 120616), (232, 90462), (348, 60308), (464, 45231), (696, 30154), (1392, 15077)]