20159680

素因数分解:

$2^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:953

約数の個数: 56

約数和(自身を含む): 48719232

約数和(自身を除く): 28559552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 146, 160, 292, 320, 365, 584, 730, 863, 1168, 1460, 1726, 2336, 2920, 3452, 4315, 4672, 5840, 6904, 8630, 11680, 13808, 17260, 23360, 27616, 34520, 55232, 62999, 69040, 125998, 138080, 251996, 276160, 314995, 503992, 629990, 1007984, 1259980, 2015968, 2519960, 4031936, 5039920, 10079840, 20159680]

約数ペア:

[(1, 20159680), (2, 10079840), (4, 5039920), (5, 4031936), (8, 2519960), (10, 2015968), (16, 1259980), (20, 1007984), (32, 629990), (40, 503992), (64, 314995), (73, 276160), (80, 251996), (146, 138080), (160, 125998), (292, 69040), (320, 62999), (365, 55232), (584, 34520), (730, 27616), (863, 23360), (1168, 17260), (1460, 13808), (1726, 11680), (2336, 8630), (2920, 6904), (3452, 5840), (4315, 4672)]