20059725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2011}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 39918080

約数和(自身を除く): 19858355

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 2011, 3325, 6033, 9975, 10055, 14077, 30165, 38209, 42231, 50275, 70385, 114627, 150825, 191045, 211155, 267463, 351925, 573135, 802389, 955225, 1055775, 1337315, 2865675, 4011945, 6686575, 20059725]

約数ペア:

[(1, 20059725), (3, 6686575), (5, 4011945), (7, 2865675), (15, 1337315), (19, 1055775), (21, 955225), (25, 802389), (35, 573135), (57, 351925), (75, 267463), (95, 211155), (105, 191045), (133, 150825), (175, 114627), (285, 70385), (399, 50275), (475, 42231), (525, 38209), (665, 30165), (1425, 14077), (1995, 10055), (2011, 9975), (3325, 6033)]