20996912169

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1323307}}^1$

素因数の和:1323397

約数の個数: 24

約数和(自身を含む): 31791151392

約数和(自身を除く): 10794239223

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1763, 5289, 15867, 1323307, 3969921, 11909763, 54255587, 56902201, 162766761, 170706603, 488300283, 512119809, 2332990241, 6998970723, 20996912169]

約数ペア:

[(1, 20996912169), (3, 6998970723), (9, 2332990241), (41, 512119809), (43, 488300283), (123, 170706603), (129, 162766761), (369, 56902201), (387, 54255587), (1763, 11909763), (5289, 3969921), (15867, 1323307)]