20191643312

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{809}}^1\times {\mathrm{7393}}^1$

素因数の和:8421

約数の個数: 40

約数和(自身を含む): 39360628080

約数和(自身を除く): 19168984768

約数列:

[1, 2, 4, 8, 16, 211, 422, 809, 844, 1618, 1688, 3236, 3376, 6472, 7393, 12944, 14786, 29572, 59144, 118288, 170699, 341398, 682796, 1365592, 1559923, 2731184, 3119846, 5980937, 6239692, 11961874, 12479384, 23923748, 24958768, 47847496, 95694992, 1261977707, 2523955414, 5047910828, 10095821656, 20191643312]

約数ペア:

[(1, 20191643312), (2, 10095821656), (4, 5047910828), (8, 2523955414), (16, 1261977707), (211, 95694992), (422, 47847496), (809, 24958768), (844, 23923748), (1618, 12479384), (1688, 11961874), (3236, 6239692), (3376, 5980937), (6472, 3119846), (7393, 2731184), (12944, 1559923), (14786, 1365592), (29572, 682796), (59144, 341398), (118288, 170699)]