20162748879

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{24943}}^1$

素因数の和:25026

約数の個数: 96

約数和(自身を含む): 38218199040

約数和(自身を除く): 18055450161

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 47, 49, 63, 91, 117, 141, 147, 189, 273, 329, 351, 423, 441, 611, 637, 819, 987, 1269, 1323, 1833, 1911, 2303, 2457, 2961, 4277, 5499, 5733, 6909, 8883, 12831, 16497, 17199, 20727, 24943, 29939, 38493, 62181, 74829, 89817, 115479, 174601, 224487, 269451, 324259, 523803, 673461, 808353, 972777, 1172321, 1222207, 1571409, 2269813, 2918331, 3516963, 3666621, 4714227, 6809439, 8206247, 8754993, 10550889, 10999863, 15240173, 15888691, 20428317, 24618741, 31652667, 32999589, 45720519, 47666073, 57443729, 61284951, 73856223, 106681211, 137161557, 142998219, 172331187, 221568669, 320043633, 411484671, 428994657, 516993561, 746768477, 960130899, 1550980683, 2240305431, 2880392697, 6720916293, 20162748879]

約数ペア:

[(1, 20162748879), (3, 6720916293), (7, 2880392697), (9, 2240305431), (13, 1550980683), (21, 960130899), (27, 746768477), (39, 516993561), (47, 428994657), (49, 411484671), (63, 320043633), (91, 221568669), (117, 172331187), (141, 142998219), (147, 137161557), (189, 106681211), (273, 73856223), (329, 61284951), (351, 57443729), (423, 47666073), (441, 45720519), (611, 32999589), (637, 31652667), (819, 24618741), (987, 20428317), (1269, 15888691), (1323, 15240173), (1833, 10999863), (1911, 10550889), (2303, 8754993), (2457, 8206247), (2961, 6809439), (4277, 4714227), (5499, 3666621), (5733, 3516963), (6909, 2918331), (8883, 2269813), (12831, 1571409), (16497, 1222207), (17199, 1172321), (20727, 972777), (24943, 808353), (29939, 673461), (38493, 523803), (62181, 324259), (74829, 269451), (89817, 224487), (115479, 174601)]