20647704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11173}}^1$

素因数の和:11200

約数の個数: 64

約数和(自身を含む): 64362240

約数和(自身を除く): 43714536

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11173, 22346, 33519, 44692, 67038, 78211, 89384, 122903, 134076, 156422, 234633, 245806, 268152, 312844, 368709, 469266, 491612, 625688, 737418, 860321, 938532, 983224, 1474836, 1720642, 1877064, 2580963, 2949672, 3441284, 5161926, 6882568, 10323852, 20647704]

約数ペア:

[(1, 20647704), (2, 10323852), (3, 6882568), (4, 5161926), (6, 3441284), (7, 2949672), (8, 2580963), (11, 1877064), (12, 1720642), (14, 1474836), (21, 983224), (22, 938532), (24, 860321), (28, 737418), (33, 625688), (42, 491612), (44, 469266), (56, 368709), (66, 312844), (77, 268152), (84, 245806), (88, 234633), (132, 156422), (154, 134076), (168, 122903), (231, 89384), (264, 78211), (308, 67038), (462, 44692), (616, 33519), (924, 22346), (1848, 11173)]