20452712

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9871}}^1$

素因数の和:9921

約数の個数: 32

約数和(自身を含む): 45016320

約数和(自身を除く): 24563608

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9871, 19742, 39484, 69097, 78968, 138194, 276388, 365227, 552776, 730454, 1460908, 2556589, 2921816, 5113178, 10226356, 20452712]

約数ペア:

[(1, 20452712), (2, 10226356), (4, 5113178), (7, 2921816), (8, 2556589), (14, 1460908), (28, 730454), (37, 552776), (56, 365227), (74, 276388), (148, 138194), (259, 78968), (296, 69097), (518, 39484), (1036, 19742), (2072, 9871)]