20883044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 45497088

約数和(自身を除く): 24614044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 182, 206, 364, 412, 557, 721, 1114, 1339, 1442, 2228, 2678, 2884, 3899, 5356, 7241, 7798, 9373, 14482, 15596, 18746, 28964, 37492, 50687, 57371, 101374, 114742, 202748, 229484, 401597, 745823, 803194, 1491646, 1606388, 2983292, 5220761, 10441522, 20883044]

約数ペア:

[(1, 20883044), (2, 10441522), (4, 5220761), (7, 2983292), (13, 1606388), (14, 1491646), (26, 803194), (28, 745823), (52, 401597), (91, 229484), (103, 202748), (182, 114742), (206, 101374), (364, 57371), (412, 50687), (557, 37492), (721, 28964), (1114, 18746), (1339, 15596), (1442, 14482), (2228, 9373), (2678, 7798), (2884, 7241), (3899, 5356)]