20065545

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19387}}^1$

素因数の和:19421

約数の個数: 24

約数和(自身を含む): 36294336

約数和(自身を除く): 16228791

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19387, 58161, 96935, 174483, 290805, 445901, 872415, 1337703, 2229505, 4013109, 6688515, 20065545]

約数ペア:

[(1, 20065545), (3, 6688515), (5, 4013109), (9, 2229505), (15, 1337703), (23, 872415), (45, 445901), (69, 290805), (115, 174483), (207, 96935), (345, 58161), (1035, 19387)]