20856108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 40107732

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 71, 78, 84, 91, 142, 156, 182, 213, 269, 273, 284, 364, 426, 497, 538, 546, 807, 852, 923, 994, 1076, 1092, 1491, 1614, 1846, 1883, 1988, 2769, 2982, 3228, 3497, 3692, 3766, 5538, 5649, 5964, 6461, 6994, 7532, 10491, 11076, 11298, 12922, 13988, 19099, 19383, 20982, 22596, 24479, 25844, 38198, 38766, 41964, 48958, 57297, 73437, 76396, 77532, 97916, 114594, 133693, 146874, 229188, 248287, 267386, 293748, 401079, 496574, 534772, 744861, 802158, 993148, 1489722, 1604316, 1738009, 2979444, 3476018, 5214027, 6952036, 10428054, 20856108]

約数ペア:

[(1, 20856108), (2, 10428054), (3, 6952036), (4, 5214027), (6, 3476018), (7, 2979444), (12, 1738009), (13, 1604316), (14, 1489722), (21, 993148), (26, 802158), (28, 744861), (39, 534772), (42, 496574), (52, 401079), (71, 293748), (78, 267386), (84, 248287), (91, 229188), (142, 146874), (156, 133693), (182, 114594), (213, 97916), (269, 77532), (273, 76396), (284, 73437), (364, 57297), (426, 48958), (497, 41964), (538, 38766), (546, 38198), (807, 25844), (852, 24479), (923, 22596), (994, 20982), (1076, 19383), (1092, 19099), (1491, 13988), (1614, 12922), (1846, 11298), (1883, 11076), (1988, 10491), (2769, 7532), (2982, 6994), (3228, 6461), (3497, 5964), (3692, 5649), (3766, 5538)]