20211554888

素因数分解:

$2^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{1093}}^1$

素因数の和:1436

約数の個数: 128

約数和(自身を含む): 46315584000

約数和(自身を除く): 26104029112

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 293, 322, 343, 392, 586, 644, 686, 1093, 1127, 1172, 1288, 1372, 2051, 2186, 2254, 2344, 2744, 4102, 4372, 4508, 6739, 7651, 7889, 8204, 8744, 9016, 13478, 14357, 15302, 15778, 16408, 25139, 26956, 28714, 30604, 31556, 47173, 50278, 53557, 53912, 57428, 61208, 63112, 94346, 100499, 100556, 107114, 114856, 175973, 188692, 200998, 201112, 214228, 320249, 330211, 351946, 374899, 377384, 401996, 428456, 640498, 660422, 703892, 749798, 803992, 1231811, 1280996, 1320844, 1407784, 1499596, 2241743, 2311477, 2463622, 2561992, 2641688, 2999192, 4483486, 4622954, 4927244, 7365727, 8622677, 8966972, 9245908, 9854488, 14731454, 15692201, 17245354, 17933944, 18491816, 29462908, 31384402, 34490708, 51560089, 58925816, 62768804, 68981416, 103120178, 109845407, 125537608, 206240356, 219690814, 360920623, 412480712, 439381628, 721841246, 878763256, 1443682492, 2526444361, 2887364984, 5052888722, 10105777444, 20211554888]

約数ペア:

[(1, 20211554888), (2, 10105777444), (4, 5052888722), (7, 2887364984), (8, 2526444361), (14, 1443682492), (23, 878763256), (28, 721841246), (46, 439381628), (49, 412480712), (56, 360920623), (92, 219690814), (98, 206240356), (161, 125537608), (184, 109845407), (196, 103120178), (293, 68981416), (322, 62768804), (343, 58925816), (392, 51560089), (586, 34490708), (644, 31384402), (686, 29462908), (1093, 18491816), (1127, 17933944), (1172, 17245354), (1288, 15692201), (1372, 14731454), (2051, 9854488), (2186, 9245908), (2254, 8966972), (2344, 8622677), (2744, 7365727), (4102, 4927244), (4372, 4622954), (4508, 4483486), (6739, 2999192), (7651, 2641688), (7889, 2561992), (8204, 2463622), (8744, 2311477), (9016, 2241743), (13478, 1499596), (14357, 1407784), (15302, 1320844), (15778, 1280996), (16408, 1231811), (25139, 803992), (26956, 749798), (28714, 703892), (30604, 660422), (31556, 640498), (47173, 428456), (50278, 401996), (53557, 377384), (53912, 374899), (57428, 351946), (61208, 330211), (63112, 320249), (94346, 214228), (100499, 201112), (100556, 200998), (107114, 188692), (114856, 175973)]