20546630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2591}}^1$

素因数の和:2672

約数の個数: 32

約数和(自身を含む): 40497408

約数和(自身を除く): 19950778

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 2591, 3965, 5182, 7930, 12955, 25910, 33683, 67366, 158051, 168415, 316102, 336830, 790255, 1580510, 2054663, 4109326, 10273315, 20546630]

約数ペア:

[(1, 20546630), (2, 10273315), (5, 4109326), (10, 2054663), (13, 1580510), (26, 790255), (61, 336830), (65, 316102), (122, 168415), (130, 158051), (305, 67366), (610, 33683), (793, 25910), (1586, 12955), (2591, 7930), (3965, 5182)]