20645106792

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{5021}}^1$

素因数の和:5247

約数の個数: 128

約数和(自身を含む): 55539302400

約数和(自身を除く): 34894195608

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 71, 76, 114, 127, 142, 152, 213, 228, 254, 284, 381, 426, 456, 508, 568, 762, 852, 1016, 1349, 1524, 1704, 2413, 2698, 3048, 4047, 4826, 5021, 5396, 7239, 8094, 9017, 9652, 10042, 10792, 14478, 15063, 16188, 18034, 19304, 20084, 27051, 28956, 30126, 32376, 36068, 40168, 54102, 57912, 60252, 72136, 95399, 108204, 120504, 171323, 190798, 216408, 286197, 342646, 356491, 381596, 513969, 572394, 637667, 685292, 712982, 763192, 1027938, 1069473, 1144788, 1275334, 1370584, 1425964, 1913001, 2055876, 2138946, 2289576, 2550668, 2851928, 3826002, 4111752, 4277892, 5101336, 6773329, 7652004, 8555784, 12115673, 13546658, 15304008, 20319987, 24231346, 27093316, 36347019, 40639974, 45274357, 48462692, 54186632, 72694038, 81279948, 90548714, 96925384, 135823071, 145388076, 162559896, 181097428, 271646142, 290776152, 362194856, 543292284, 860212783, 1086584568, 1720425566, 2580638349, 3440851132, 5161276698, 6881702264, 10322553396, 20645106792]

約数ペア:

[(1, 20645106792), (2, 10322553396), (3, 6881702264), (4, 5161276698), (6, 3440851132), (8, 2580638349), (12, 1720425566), (19, 1086584568), (24, 860212783), (38, 543292284), (57, 362194856), (71, 290776152), (76, 271646142), (114, 181097428), (127, 162559896), (142, 145388076), (152, 135823071), (213, 96925384), (228, 90548714), (254, 81279948), (284, 72694038), (381, 54186632), (426, 48462692), (456, 45274357), (508, 40639974), (568, 36347019), (762, 27093316), (852, 24231346), (1016, 20319987), (1349, 15304008), (1524, 13546658), (1704, 12115673), (2413, 8555784), (2698, 7652004), (3048, 6773329), (4047, 5101336), (4826, 4277892), (5021, 4111752), (5396, 3826002), (7239, 2851928), (8094, 2550668), (9017, 2289576), (9652, 2138946), (10042, 2055876), (10792, 1913001), (14478, 1425964), (15063, 1370584), (16188, 1275334), (18034, 1144788), (19304, 1069473), (20084, 1027938), (27051, 763192), (28956, 712982), (30126, 685292), (32376, 637667), (36068, 572394), (40168, 513969), (54102, 381596), (57912, 356491), (60252, 342646), (72136, 286197), (95399, 216408), (108204, 190798), (120504, 171323)]