20368810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3779}}^1$

素因数の和:3811

約数の個数: 48

約数和(自身を含む): 46539360

約数和(自身を除く): 26170550

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3779, 5390, 7558, 18895, 26453, 37790, 41569, 52906, 83138, 132265, 185171, 207845, 264530, 290983, 370342, 415690, 581966, 925855, 1454915, 1851710, 2036881, 2909830, 4073762, 10184405, 20368810]

約数ペア:

[(1, 20368810), (2, 10184405), (5, 4073762), (7, 2909830), (10, 2036881), (11, 1851710), (14, 1454915), (22, 925855), (35, 581966), (49, 415690), (55, 370342), (70, 290983), (77, 264530), (98, 207845), (110, 185171), (154, 132265), (245, 83138), (385, 52906), (490, 41569), (539, 37790), (770, 26453), (1078, 18895), (2695, 7558), (3779, 5390)]