20333985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6247}}^1$

素因数の和:6293

約数の個数: 32

約数和(自身を含む): 38387712

約数和(自身を除く): 18053727

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6247, 18741, 31235, 43729, 93705, 131187, 193657, 218645, 580971, 655935, 968285, 1355599, 2904855, 4066797, 6777995, 20333985]

約数ペア:

[(1, 20333985), (3, 6777995), (5, 4066797), (7, 2904855), (15, 1355599), (21, 968285), (31, 655935), (35, 580971), (93, 218645), (105, 193657), (155, 131187), (217, 93705), (465, 43729), (651, 31235), (1085, 18741), (3255, 6247)]