20192553567

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1\times {\mathrm{1423}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 30704447488

約数和(自身を除く): 10511893921

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 991, 1423, 1591, 2973, 4269, 4773, 8919, 12807, 14319, 36667, 42613, 52651, 61189, 110001, 127839, 157953, 183567, 330003, 383517, 473859, 550701, 1410193, 1576681, 2263993, 4230579, 4730043, 6791979, 12691737, 14190129, 20375937, 52177141, 60638299, 156531423, 181914897, 469594269, 545744691, 2243617063, 6730851189, 20192553567]

約数ペア:

[(1, 20192553567), (3, 6730851189), (9, 2243617063), (37, 545744691), (43, 469594269), (111, 181914897), (129, 156531423), (333, 60638299), (387, 52177141), (991, 20375937), (1423, 14190129), (1591, 12691737), (2973, 6791979), (4269, 4730043), (4773, 4230579), (8919, 2263993), (12807, 1576681), (14319, 1410193), (36667, 550701), (42613, 473859), (52651, 383517), (61189, 330003), (110001, 183567), (127839, 157953)]