20804948346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{6791}}^1$

素因数の和:7028

約数の個数: 128

約数和(自身を含む): 53164081152

約数和(自身を除く): 32359132806

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 181, 182, 186, 217, 273, 362, 403, 434, 543, 546, 651, 806, 1086, 1209, 1267, 1302, 2353, 2418, 2534, 2821, 3801, 4706, 5611, 5642, 6791, 7059, 7602, 8463, 11222, 13582, 14118, 16471, 16833, 16926, 20373, 32942, 33666, 39277, 40746, 47537, 49413, 72943, 78554, 88283, 95074, 98826, 117831, 142611, 145886, 176566, 210521, 218829, 235662, 264849, 285222, 421042, 437658, 510601, 529698, 617981, 631563, 1021202, 1229171, 1235962, 1263126, 1473647, 1531803, 1853943, 2458342, 2736773, 2947294, 3063606, 3687513, 3707886, 4420941, 5473546, 7375026, 8210319, 8604197, 8841882, 15979223, 16420638, 17208394, 19157411, 25812591, 31958446, 38104301, 38314822, 47937669, 51625182, 57472233, 76208602, 95875338, 111854561, 114312903, 114944466, 223709122, 228625806, 266730107, 335563683, 495355913, 533460214, 671127366, 800190321, 990711826, 1486067739, 1600380642, 2972135478, 3467491391, 6934982782, 10402474173, 20804948346]

約数ペア:

[(1, 20804948346), (2, 10402474173), (3, 6934982782), (6, 3467491391), (7, 2972135478), (13, 1600380642), (14, 1486067739), (21, 990711826), (26, 800190321), (31, 671127366), (39, 533460214), (42, 495355913), (62, 335563683), (78, 266730107), (91, 228625806), (93, 223709122), (181, 114944466), (182, 114312903), (186, 111854561), (217, 95875338), (273, 76208602), (362, 57472233), (403, 51625182), (434, 47937669), (543, 38314822), (546, 38104301), (651, 31958446), (806, 25812591), (1086, 19157411), (1209, 17208394), (1267, 16420638), (1302, 15979223), (2353, 8841882), (2418, 8604197), (2534, 8210319), (2821, 7375026), (3801, 5473546), (4706, 4420941), (5611, 3707886), (5642, 3687513), (6791, 3063606), (7059, 2947294), (7602, 2736773), (8463, 2458342), (11222, 1853943), (13582, 1531803), (14118, 1473647), (16471, 1263126), (16833, 1235962), (16926, 1229171), (20373, 1021202), (32942, 631563), (33666, 617981), (39277, 529698), (40746, 510601), (47537, 437658), (49413, 421042), (72943, 285222), (78554, 264849), (88283, 235662), (95074, 218829), (98826, 210521), (117831, 176566), (142611, 145886)]