20276555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8431}}^1$

素因数の和:8486

約数の個数: 16

約数和(自身を含む): 26914944

約数和(自身を除く): 6638389

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 8431, 42155, 109603, 311947, 548015, 1559735, 4055311, 20276555]

約数ペア:

[(1, 20276555), (5, 4055311), (13, 1559735), (37, 548015), (65, 311947), (185, 109603), (481, 42155), (2405, 8431)]