20132705988

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{271}}^1\times {\mathrm{16249}}^1$

素因数の和:16657

約数の個数: 72

約数和(自身を含む): 51484160000

約数和(自身を除く): 31351454012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 271, 381, 508, 542, 762, 813, 1084, 1143, 1524, 1626, 2286, 2439, 3252, 4572, 4878, 9756, 16249, 32498, 34417, 48747, 64996, 68834, 97494, 103251, 137668, 146241, 194988, 206502, 292482, 309753, 413004, 584964, 619506, 1239012, 2063623, 4127246, 4403479, 6190869, 8254492, 8806958, 12381738, 13210437, 17613916, 18572607, 24763476, 26420874, 37145214, 39631311, 52841748, 74290428, 79262622, 158525244, 559241833, 1118483666, 1677725499, 2236967332, 3355450998, 5033176497, 6710901996, 10066352994, 20132705988]

約数ペア:

[(1, 20132705988), (2, 10066352994), (3, 6710901996), (4, 5033176497), (6, 3355450998), (9, 2236967332), (12, 1677725499), (18, 1118483666), (36, 559241833), (127, 158525244), (254, 79262622), (271, 74290428), (381, 52841748), (508, 39631311), (542, 37145214), (762, 26420874), (813, 24763476), (1084, 18572607), (1143, 17613916), (1524, 13210437), (1626, 12381738), (2286, 8806958), (2439, 8254492), (3252, 6190869), (4572, 4403479), (4878, 4127246), (9756, 2063623), (16249, 1239012), (32498, 619506), (34417, 584964), (48747, 413004), (64996, 309753), (68834, 292482), (97494, 206502), (103251, 194988), (137668, 146241)]