20276750872

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{631}}^1$

素因数の和:1137

約数の個数: 128

約数和(自身を含む): 46268467200

約数和(自身を除く): 25991716328

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 61, 92, 122, 161, 184, 244, 322, 409, 427, 488, 631, 644, 818, 854, 1262, 1288, 1403, 1636, 1708, 2524, 2806, 2863, 3272, 3416, 4417, 5048, 5612, 5726, 8834, 9407, 9821, 11224, 11452, 14513, 17668, 18814, 19642, 22904, 24949, 29026, 35336, 37628, 38491, 39284, 49898, 58052, 65849, 75256, 76982, 78568, 99796, 101591, 116104, 131698, 153964, 174643, 199592, 203182, 258079, 263396, 269437, 307928, 349286, 406364, 516158, 526792, 538874, 573827, 698572, 812728, 885293, 1032316, 1077748, 1147654, 1397144, 1770586, 1806553, 2064632, 2155496, 2295308, 3541172, 3613106, 4016789, 4590616, 5935817, 6197051, 7082344, 7226212, 8033578, 11871634, 12394102, 14452424, 15742819, 16067156, 23743268, 24788204, 31485638, 32134312, 41550719, 47486536, 49576408, 62971276, 83101438, 110199733, 125942552, 166202876, 220399466, 332405752, 362084837, 440798932, 724169674, 881597864, 1448339348, 2534593859, 2896678696, 5069187718, 10138375436, 20276750872]

約数ペア:

[(1, 20276750872), (2, 10138375436), (4, 5069187718), (7, 2896678696), (8, 2534593859), (14, 1448339348), (23, 881597864), (28, 724169674), (46, 440798932), (56, 362084837), (61, 332405752), (92, 220399466), (122, 166202876), (161, 125942552), (184, 110199733), (244, 83101438), (322, 62971276), (409, 49576408), (427, 47486536), (488, 41550719), (631, 32134312), (644, 31485638), (818, 24788204), (854, 23743268), (1262, 16067156), (1288, 15742819), (1403, 14452424), (1636, 12394102), (1708, 11871634), (2524, 8033578), (2806, 7226212), (2863, 7082344), (3272, 6197051), (3416, 5935817), (4417, 4590616), (5048, 4016789), (5612, 3613106), (5726, 3541172), (8834, 2295308), (9407, 2155496), (9821, 2064632), (11224, 1806553), (11452, 1770586), (14513, 1397144), (17668, 1147654), (18814, 1077748), (19642, 1032316), (22904, 885293), (24949, 812728), (29026, 698572), (35336, 573827), (37628, 538874), (38491, 526792), (39284, 516158), (49898, 406364), (58052, 349286), (65849, 307928), (75256, 269437), (76982, 263396), (78568, 258079), (99796, 203182), (101591, 199592), (116104, 174643), (131698, 153964)]