20625678

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6701}}^1$

素因数の和:6734

約数の個数: 40

約数和(自身を含む): 48656520

約数和(自身を除く): 28030842

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 6701, 13402, 20103, 40206, 60309, 120618, 127319, 180927, 254638, 361854, 381957, 542781, 763914, 1085562, 1145871, 2291742, 3437613, 6875226, 10312839, 20625678]

約数ペア:

[(1, 20625678), (2, 10312839), (3, 6875226), (6, 3437613), (9, 2291742), (18, 1145871), (19, 1085562), (27, 763914), (38, 542781), (54, 381957), (57, 361854), (81, 254638), (114, 180927), (162, 127319), (171, 120618), (342, 60309), (513, 40206), (1026, 20103), (1539, 13402), (3078, 6701)]