20565558897

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1657}}^1\times {\mathrm{2027}}^1$

素因数の和:3857

約数の個数: 32

約数和(自身を含む): 29750727552

約数和(自身を除く): 9185168655

約数列:

[1, 3, 13, 39, 157, 471, 1657, 2027, 2041, 4971, 6081, 6123, 21541, 26351, 64623, 79053, 260149, 318239, 780447, 954717, 3358739, 3381937, 4137107, 10076217, 10145811, 12411321, 43663607, 130990821, 527322023, 1581966069, 6855186299, 20565558897]

約数ペア:

[(1, 20565558897), (3, 6855186299), (13, 1581966069), (39, 527322023), (157, 130990821), (471, 43663607), (1657, 12411321), (2027, 10145811), (2041, 10076217), (4971, 4137107), (6081, 3381937), (6123, 3358739), (21541, 954717), (26351, 780447), (64623, 318239), (79053, 260149)]