20213419077

素因数分解:

$3^3\times {\mathrm{4481}}^1\times {\mathrm{167071}}^1$

素因数の和:171561

約数の個数: 16

約数和(自身を含む): 29952668160

約数和(自身を除く): 9739249083

約数列:

[1, 3, 9, 27, 4481, 13443, 40329, 120987, 167071, 501213, 1503639, 4510917, 748645151, 2245935453, 6737806359, 20213419077]

約数ペア:

[(1, 20213419077), (3, 6737806359), (9, 2245935453), (27, 748645151), (4481, 4510917), (13443, 1503639), (40329, 501213), (120987, 167071)]