20996870470

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1\times {\mathrm{28463}}^1$

素因数の和:29580

約数の個数: 32

約数和(自身を含む): 38364917760

約数和(自身を除く): 17368047290

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1039, 2078, 5195, 10390, 28463, 56926, 73769, 142315, 147538, 284630, 368845, 737690, 2020873, 4041746, 10104365, 20208730, 29573057, 59146114, 147865285, 295730570, 2099687047, 4199374094, 10498435235, 20996870470]

約数ペア:

[(1, 20996870470), (2, 10498435235), (5, 4199374094), (10, 2099687047), (71, 295730570), (142, 147865285), (355, 59146114), (710, 29573057), (1039, 20208730), (2078, 10104365), (5195, 4041746), (10390, 2020873), (28463, 737690), (56926, 368845), (73769, 284630), (142315, 147538)]