20543281971

素因数分解:

$3^1\times {\mathrm{443}}^1\times {\mathrm{2447}}^1\times {\mathrm{6317}}^1$

素因数の和:9210

約数の個数: 16

約数和(自身を含む): 27468440064

約数和(自身を除く): 6925158093

約数列:

[1, 3, 443, 1329, 2447, 6317, 7341, 18951, 1084021, 2798431, 3252063, 8395293, 15457699, 46373097, 6847760657, 20543281971]

約数ペア:

[(1, 20543281971), (3, 6847760657), (443, 46373097), (1329, 15457699), (2447, 8395293), (6317, 3252063), (7341, 2798431), (18951, 1084021)]