20121572172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{28181}}^1$

素因数の和:28423

約数の個数: 96

約数和(自身を含む): 53027251200

約数和(自身を除く): 32905679028

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 199, 276, 299, 398, 597, 598, 796, 897, 1194, 1196, 1794, 2388, 2587, 3588, 4577, 5174, 7761, 9154, 10348, 13731, 15522, 18308, 27462, 28181, 31044, 54924, 56362, 59501, 84543, 112724, 119002, 169086, 178503, 238004, 338172, 357006, 366353, 648163, 714012, 732706, 1099059, 1296326, 1465412, 1944489, 2198118, 2592652, 3888978, 4396236, 5608019, 7777956, 8426119, 11216038, 16824057, 16852238, 22432076, 25278357, 33648114, 33704476, 50556714, 67296228, 72904247, 101113428, 128984437, 145808494, 218712741, 257968874, 291616988, 386953311, 437425482, 515937748, 773906622, 874850964, 1547813244, 1676797681, 3353595362, 5030393043, 6707190724, 10060786086, 20121572172]

約数ペア:

[(1, 20121572172), (2, 10060786086), (3, 6707190724), (4, 5030393043), (6, 3353595362), (12, 1676797681), (13, 1547813244), (23, 874850964), (26, 773906622), (39, 515937748), (46, 437425482), (52, 386953311), (69, 291616988), (78, 257968874), (92, 218712741), (138, 145808494), (156, 128984437), (199, 101113428), (276, 72904247), (299, 67296228), (398, 50556714), (597, 33704476), (598, 33648114), (796, 25278357), (897, 22432076), (1194, 16852238), (1196, 16824057), (1794, 11216038), (2388, 8426119), (2587, 7777956), (3588, 5608019), (4577, 4396236), (5174, 3888978), (7761, 2592652), (9154, 2198118), (10348, 1944489), (13731, 1465412), (15522, 1296326), (18308, 1099059), (27462, 732706), (28181, 714012), (31044, 648163), (54924, 366353), (56362, 357006), (59501, 338172), (84543, 238004), (112724, 178503), (119002, 169086)]