20512019906

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2801}}^1\times {\mathrm{5179}}^1$

素因数の和:8090

約数の個数: 32

約数和(自身を含む): 35531153280

約数和(自身を除く): 15019133374

約数列:

[1, 2, 7, 14, 101, 202, 707, 1414, 2801, 5179, 5602, 10358, 19607, 36253, 39214, 72506, 282901, 523079, 565802, 1046158, 1980307, 3661553, 3960614, 7323106, 14506379, 29012758, 101544653, 203089306, 1465144279, 2930288558, 10256009953, 20512019906]

約数ペア:

[(1, 20512019906), (2, 10256009953), (7, 2930288558), (14, 1465144279), (101, 203089306), (202, 101544653), (707, 29012758), (1414, 14506379), (2801, 7323106), (5179, 3960614), (5602, 3661553), (10358, 1980307), (19607, 1046158), (36253, 565802), (39214, 523079), (72506, 282901)]