20725998

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{647}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 43856640

約数和(自身を除く): 23130642

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 281, 562, 647, 843, 1294, 1686, 1941, 3882, 5339, 10678, 12293, 16017, 24586, 32034, 36879, 73758, 181807, 363614, 545421, 1090842, 3454333, 6908666, 10362999, 20725998]

約数ペア:

[(1, 20725998), (2, 10362999), (3, 6908666), (6, 3454333), (19, 1090842), (38, 545421), (57, 363614), (114, 181807), (281, 73758), (562, 36879), (647, 32034), (843, 24586), (1294, 16017), (1686, 12293), (1941, 10678), (3882, 5339)]