20806739892

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{673}}^1\times {\mathrm{1871}}^1$

素因数の和:2580

約数の個数: 144

約数和(自身を含む): 57867892992

約数和(自身を除く): 37061153100

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 673, 918, 972, 1346, 1377, 1836, 1871, 2019, 2692, 2754, 3742, 4038, 4131, 5508, 5613, 6057, 7484, 8076, 8262, 11226, 11441, 12114, 16524, 16839, 18171, 22452, 22882, 24228, 31807, 33678, 34323, 36342, 45764, 50517, 54513, 63614, 67356, 68646, 72684, 95421, 101034, 102969, 109026, 127228, 137292, 151551, 163539, 190842, 202068, 205938, 218052, 286263, 303102, 308907, 327078, 381684, 411876, 454653, 572526, 606204, 617814, 654156, 858789, 909306, 926721, 1145052, 1235628, 1259183, 1717578, 1818612, 1853442, 2518366, 2576367, 2780163, 3435156, 3706884, 3777549, 5036732, 5152734, 5560326, 7555098, 7729101, 10305468, 11120652, 11332647, 15110196, 15458202, 21406111, 22665294, 30916404, 33997941, 42812222, 45330588, 64218333, 67995882, 85624444, 101993823, 128436666, 135991764, 192654999, 203987646, 256873332, 305981469, 385309998, 407975292, 577964997, 611962938, 770619996, 1155929994, 1223925876, 1733894991, 2311859988, 3467789982, 5201684973, 6935579964, 10403369946, 20806739892]

約数ペア:

[(1, 20806739892), (2, 10403369946), (3, 6935579964), (4, 5201684973), (6, 3467789982), (9, 2311859988), (12, 1733894991), (17, 1223925876), (18, 1155929994), (27, 770619996), (34, 611962938), (36, 577964997), (51, 407975292), (54, 385309998), (68, 305981469), (81, 256873332), (102, 203987646), (108, 192654999), (153, 135991764), (162, 128436666), (204, 101993823), (243, 85624444), (306, 67995882), (324, 64218333), (459, 45330588), (486, 42812222), (612, 33997941), (673, 30916404), (918, 22665294), (972, 21406111), (1346, 15458202), (1377, 15110196), (1836, 11332647), (1871, 11120652), (2019, 10305468), (2692, 7729101), (2754, 7555098), (3742, 5560326), (4038, 5152734), (4131, 5036732), (5508, 3777549), (5613, 3706884), (6057, 3435156), (7484, 2780163), (8076, 2576367), (8262, 2518366), (11226, 1853442), (11441, 1818612), (12114, 1717578), (16524, 1259183), (16839, 1235628), (18171, 1145052), (22452, 926721), (22882, 909306), (24228, 858789), (31807, 654156), (33678, 617814), (34323, 606204), (36342, 572526), (45764, 454653), (50517, 411876), (54513, 381684), (63614, 327078), (67356, 308907), (68646, 303102), (72684, 286263), (95421, 218052), (101034, 205938), (102969, 202068), (109026, 190842), (127228, 163539), (137292, 151551)]