20293353

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 30381000

約数和(自身を除く): 10087647

約数列:

[1, 3, 9, 37, 111, 149, 333, 409, 447, 1227, 1341, 3681, 5513, 15133, 16539, 45399, 49617, 60941, 136197, 182823, 548469, 2254817, 6764451, 20293353]

約数ペア:

[(1, 20293353), (3, 6764451), (9, 2254817), (37, 548469), (111, 182823), (149, 136197), (333, 60941), (409, 49617), (447, 45399), (1227, 16539), (1341, 15133), (3681, 5513)]