20928782

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:213

約数の個数: 36

約数和(自身を含む): 38156256

約数和(自身を除く): 17227474

約数列:

[1, 2, 7, 14, 31, 49, 62, 83, 98, 166, 217, 434, 581, 1162, 1519, 2573, 3038, 4067, 5146, 6889, 8134, 13778, 18011, 36022, 48223, 96446, 126077, 213559, 252154, 337561, 427118, 675122, 1494913, 2989826, 10464391, 20928782]

約数ペア:

[(1, 20928782), (2, 10464391), (7, 2989826), (14, 1494913), (31, 675122), (49, 427118), (62, 337561), (83, 252154), (98, 213559), (166, 126077), (217, 96446), (434, 48223), (581, 36022), (1162, 18011), (1519, 13778), (2573, 8134), (3038, 6889), (4067, 5146)]