20580105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15077}}^1$

素因数の和:15105

約数の個数: 32

約数和(自身を含む): 40529664

約数和(自身を除く): 19949559

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15077, 45231, 75385, 105539, 196001, 226155, 316617, 527695, 588003, 980005, 1372007, 1583085, 2940015, 4116021, 6860035, 20580105]

約数ペア:

[(1, 20580105), (3, 6860035), (5, 4116021), (7, 2940015), (13, 1583085), (15, 1372007), (21, 980005), (35, 588003), (39, 527695), (65, 316617), (91, 226155), (105, 196001), (195, 105539), (273, 75385), (455, 45231), (1365, 15077)]