20388396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 57996288

約数和(自身を除く): 37607892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 61, 69, 84, 92, 122, 138, 161, 173, 183, 244, 276, 322, 346, 366, 427, 483, 519, 644, 692, 732, 854, 966, 1038, 1211, 1281, 1403, 1708, 1932, 2076, 2422, 2562, 2806, 3633, 3979, 4209, 4844, 5124, 5612, 7266, 7958, 8418, 9821, 10553, 11937, 14532, 15916, 16836, 19642, 21106, 23874, 27853, 29463, 31659, 39284, 42212, 47748, 55706, 58926, 63318, 73871, 83559, 111412, 117852, 126636, 147742, 167118, 221613, 242719, 295484, 334236, 443226, 485438, 728157, 886452, 970876, 1456314, 1699033, 2912628, 3398066, 5097099, 6796132, 10194198, 20388396]

約数ペア:

[(1, 20388396), (2, 10194198), (3, 6796132), (4, 5097099), (6, 3398066), (7, 2912628), (12, 1699033), (14, 1456314), (21, 970876), (23, 886452), (28, 728157), (42, 485438), (46, 443226), (61, 334236), (69, 295484), (84, 242719), (92, 221613), (122, 167118), (138, 147742), (161, 126636), (173, 117852), (183, 111412), (244, 83559), (276, 73871), (322, 63318), (346, 58926), (366, 55706), (427, 47748), (483, 42212), (519, 39284), (644, 31659), (692, 29463), (732, 27853), (854, 23874), (966, 21106), (1038, 19642), (1211, 16836), (1281, 15916), (1403, 14532), (1708, 11937), (1932, 10553), (2076, 9821), (2422, 8418), (2562, 7958), (2806, 7266), (3633, 5612), (3979, 5124), (4209, 4844)]