20343956721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{1669}}^1$

素因数の和:2030

約数の個数: 64

約数和(自身を含む): 31397068800

約数和(自身を除く): 11053112079

約数列:

[1, 3, 11, 29, 33, 47, 87, 141, 271, 319, 517, 813, 957, 1363, 1551, 1669, 2981, 4089, 5007, 7859, 8943, 12737, 14993, 18359, 23577, 38211, 44979, 48401, 55077, 78443, 86449, 140107, 145203, 235329, 259347, 369373, 420321, 452299, 532411, 862873, 1108119, 1356897, 1597233, 2274847, 2588619, 4063103, 4975289, 6824541, 12189309, 13116671, 14925867, 21258053, 25023317, 39350013, 63774159, 75069951, 144283381, 233838583, 432850143, 616483537, 701515749, 1849450611, 6781318907, 20343956721]

約数ペア:

[(1, 20343956721), (3, 6781318907), (11, 1849450611), (29, 701515749), (33, 616483537), (47, 432850143), (87, 233838583), (141, 144283381), (271, 75069951), (319, 63774159), (517, 39350013), (813, 25023317), (957, 21258053), (1363, 14925867), (1551, 13116671), (1669, 12189309), (2981, 6824541), (4089, 4975289), (5007, 4063103), (7859, 2588619), (8943, 2274847), (12737, 1597233), (14993, 1356897), (18359, 1108119), (23577, 862873), (38211, 532411), (44979, 452299), (48401, 420321), (55077, 369373), (78443, 259347), (86449, 235329), (140107, 145203)]