20164308921

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{739}}^1\times {\mathrm{42701}}^1$

素因数の和:43517

約数の個数: 24

約数和(自身を含む): 29577113280

約数和(自身を除く): 9412804359

約数列:

[1, 3, 9, 71, 213, 639, 739, 2217, 6651, 42701, 52469, 128103, 157407, 384309, 472221, 3031771, 9095313, 27285939, 31556039, 94668117, 284004351, 2240478769, 6721436307, 20164308921]

約数ペア:

[(1, 20164308921), (3, 6721436307), (9, 2240478769), (71, 284004351), (213, 94668117), (639, 31556039), (739, 27285939), (2217, 9095313), (6651, 3031771), (42701, 472221), (52469, 384309), (128103, 157407)]