20693655

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5821}}^1$

素因数の和:5911

約数の個数: 24

約数和(自身を含む): 36329280

約数和(自身を除く): 15635625

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 5821, 17463, 29105, 52389, 87315, 261945, 459859, 1379577, 2299295, 4138731, 6897885, 20693655]

約数ペア:

[(1, 20693655), (3, 6897885), (5, 4138731), (9, 2299295), (15, 1379577), (45, 459859), (79, 261945), (237, 87315), (395, 52389), (711, 29105), (1185, 17463), (3555, 5821)]