20610880

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2221}}^1$

素因数の和:2267

約数の個数: 56

約数和(自身を含む): 50794920

約数和(自身を除く): 30184040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2221, 2320, 4442, 4640, 8884, 9280, 11105, 17768, 22210, 35536, 44420, 64409, 71072, 88840, 128818, 142144, 177680, 257636, 322045, 355360, 515272, 644090, 710720, 1030544, 1288180, 2061088, 2576360, 4122176, 5152720, 10305440, 20610880]

約数ペア:

[(1, 20610880), (2, 10305440), (4, 5152720), (5, 4122176), (8, 2576360), (10, 2061088), (16, 1288180), (20, 1030544), (29, 710720), (32, 644090), (40, 515272), (58, 355360), (64, 322045), (80, 257636), (116, 177680), (145, 142144), (160, 128818), (232, 88840), (290, 71072), (320, 64409), (464, 44420), (580, 35536), (928, 22210), (1160, 17768), (1856, 11105), (2221, 9280), (2320, 8884), (4442, 4640)]