20197545

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28649}}^1$

素因数の和:28704

約数の個数: 16

約数和(自身を含む): 33004800

約数和(自身を除く): 12807255

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28649, 85947, 143245, 429735, 1346503, 4039509, 6732515, 20197545]

約数ペア:

[(1, 20197545), (3, 6732515), (5, 4039509), (15, 1346503), (47, 429735), (141, 143245), (235, 85947), (705, 28649)]