20158695

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19477}}^1$

素因数の和:19511

約数の個数: 24

約数和(自身を含む): 36462816

約数和(自身を除く): 16304121

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19477, 58431, 97385, 175293, 292155, 447971, 876465, 1343913, 2239855, 4031739, 6719565, 20158695]

約数ペア:

[(1, 20158695), (3, 6719565), (5, 4031739), (9, 2239855), (15, 1343913), (23, 876465), (45, 447971), (69, 292155), (115, 175293), (207, 97385), (345, 58431), (1035, 19477)]