20178256839

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{883}}^1\times {\mathrm{2777}}^1$

素因数の和:3887

約数の個数: 32

約数和(自身を含む): 29154687744

約数和(自身を除く): 8976430905

約数列:

[1, 3, 13, 39, 211, 633, 883, 2649, 2743, 2777, 8229, 8331, 11479, 34437, 36101, 108303, 186313, 558939, 585947, 1757841, 2422069, 2452091, 7266207, 7356273, 7617311, 22851933, 31877183, 95631549, 517391201, 1552173603, 6726085613, 20178256839]

約数ペア:

[(1, 20178256839), (3, 6726085613), (13, 1552173603), (39, 517391201), (211, 95631549), (633, 31877183), (883, 22851933), (2649, 7617311), (2743, 7356273), (2777, 7266207), (8229, 2452091), (8331, 2422069), (11479, 1757841), (34437, 585947), (36101, 558939), (108303, 186313)]