20191984416

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{38333}}^1$

素因数の和:38439

約数の個数: 144

約数和(自身を含む): 60279448320

約数和(自身を除く): 40087463904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 59, 62, 72, 93, 96, 118, 124, 144, 177, 186, 236, 248, 279, 288, 354, 372, 472, 496, 531, 558, 708, 744, 944, 992, 1062, 1116, 1416, 1488, 1829, 1888, 2124, 2232, 2832, 2976, 3658, 4248, 4464, 5487, 5664, 7316, 8496, 8928, 10974, 14632, 16461, 16992, 21948, 29264, 32922, 38333, 43896, 58528, 65844, 76666, 87792, 114999, 131688, 153332, 175584, 229998, 263376, 306664, 344997, 459996, 526752, 613328, 689994, 919992, 1188323, 1226656, 1379988, 1839984, 2261647, 2376646, 2759976, 3564969, 3679968, 4523294, 4753292, 5519952, 6784941, 7129938, 9046588, 9506584, 10694907, 11039904, 13569882, 14259876, 18093176, 19013168, 20354823, 21389814, 27139764, 28519752, 36186352, 38026336, 40709646, 42779628, 54279528, 57039504, 70111057, 72372704, 81419292, 85559256, 108559056, 114079008, 140222114, 162838584, 171118512, 210333171, 217118112, 280444228, 325677168, 342237024, 420666342, 560888456, 630999513, 651354336, 841332684, 1121776912, 1261999026, 1682665368, 2243553824, 2523998052, 3365330736, 5047996104, 6730661472, 10095992208, 20191984416]

約数ペア:

[(1, 20191984416), (2, 10095992208), (3, 6730661472), (4, 5047996104), (6, 3365330736), (8, 2523998052), (9, 2243553824), (12, 1682665368), (16, 1261999026), (18, 1121776912), (24, 841332684), (31, 651354336), (32, 630999513), (36, 560888456), (48, 420666342), (59, 342237024), (62, 325677168), (72, 280444228), (93, 217118112), (96, 210333171), (118, 171118512), (124, 162838584), (144, 140222114), (177, 114079008), (186, 108559056), (236, 85559256), (248, 81419292), (279, 72372704), (288, 70111057), (354, 57039504), (372, 54279528), (472, 42779628), (496, 40709646), (531, 38026336), (558, 36186352), (708, 28519752), (744, 27139764), (944, 21389814), (992, 20354823), (1062, 19013168), (1116, 18093176), (1416, 14259876), (1488, 13569882), (1829, 11039904), (1888, 10694907), (2124, 9506584), (2232, 9046588), (2832, 7129938), (2976, 6784941), (3658, 5519952), (4248, 4753292), (4464, 4523294), (5487, 3679968), (5664, 3564969), (7316, 2759976), (8496, 2376646), (8928, 2261647), (10974, 1839984), (14632, 1379988), (16461, 1226656), (16992, 1188323), (21948, 919992), (29264, 689994), (32922, 613328), (38333, 526752), (43896, 459996), (58528, 344997), (65844, 306664), (76666, 263376), (87792, 229998), (114999, 175584), (131688, 153332)]