20315035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8447}}^1$

素因数の和:8502

約数の個数: 16

約数和(自身を含む): 26966016

約数和(自身を除く): 6650981

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 8447, 42235, 109811, 312539, 549055, 1562695, 4063007, 20315035]

約数ペア:

[(1, 20315035), (5, 4063007), (13, 1562695), (37, 549055), (65, 312539), (185, 109811), (481, 42235), (2405, 8447)]