20171091068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{17231}}^1$

素因数の和:17538

約数の個数: 48

約数和(自身を含む): 37846986240

約数和(自身を除く): 17675895172

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 211, 292, 422, 844, 1387, 2774, 4009, 5548, 8018, 15403, 16036, 17231, 30806, 34462, 61612, 68924, 292657, 327389, 585314, 654778, 1170628, 1257863, 1309556, 2515726, 3635741, 5031452, 7271482, 14542964, 23899397, 47798794, 69079079, 95597588, 138158158, 265409093, 276316316, 530818186, 1061636372, 5042772767, 10085545534, 20171091068]

約数ペア:

[(1, 20171091068), (2, 10085545534), (4, 5042772767), (19, 1061636372), (38, 530818186), (73, 276316316), (76, 265409093), (146, 138158158), (211, 95597588), (292, 69079079), (422, 47798794), (844, 23899397), (1387, 14542964), (2774, 7271482), (4009, 5031452), (5548, 3635741), (8018, 2515726), (15403, 1309556), (16036, 1257863), (17231, 1170628), (30806, 654778), (34462, 585314), (61612, 327389), (68924, 292657)]