20987850528

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{13553}}^1$

素因数の和:13871

約数の個数: 144

約数和(自身を含む): 63052123680

約数和(自身を除く): 42064273152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 283, 288, 304, 342, 456, 566, 608, 684, 849, 912, 1132, 1368, 1698, 1824, 2264, 2547, 2736, 3396, 4528, 5094, 5377, 5472, 6792, 9056, 10188, 10754, 13553, 13584, 16131, 20376, 21508, 27106, 27168, 32262, 40659, 40752, 43016, 48393, 54212, 64524, 81318, 81504, 86032, 96786, 108424, 121977, 129048, 162636, 172064, 193572, 216848, 243954, 257507, 258096, 325272, 387144, 433696, 487908, 515014, 516192, 650544, 772521, 774288, 975816, 1030028, 1301088, 1545042, 1548576, 1951632, 2060056, 2317563, 3090084, 3835499, 3903264, 4120112, 4635126, 6180168, 7670998, 8240224, 9270252, 11506497, 12360336, 15341996, 18540504, 23012994, 24720672, 30683992, 34519491, 37081008, 46025988, 61367984, 69038982, 72874481, 74162016, 92051976, 122735968, 138077964, 145748962, 184103952, 218623443, 276155928, 291497924, 368207904, 437246886, 552311856, 582995848, 655870329, 874493772, 1104623712, 1165991696, 1311740658, 1748987544, 2331983392, 2623481316, 3497975088, 5246962632, 6995950176, 10493925264, 20987850528]

約数ペア:

[(1, 20987850528), (2, 10493925264), (3, 6995950176), (4, 5246962632), (6, 3497975088), (8, 2623481316), (9, 2331983392), (12, 1748987544), (16, 1311740658), (18, 1165991696), (19, 1104623712), (24, 874493772), (32, 655870329), (36, 582995848), (38, 552311856), (48, 437246886), (57, 368207904), (72, 291497924), (76, 276155928), (96, 218623443), (114, 184103952), (144, 145748962), (152, 138077964), (171, 122735968), (228, 92051976), (283, 74162016), (288, 72874481), (304, 69038982), (342, 61367984), (456, 46025988), (566, 37081008), (608, 34519491), (684, 30683992), (849, 24720672), (912, 23012994), (1132, 18540504), (1368, 15341996), (1698, 12360336), (1824, 11506497), (2264, 9270252), (2547, 8240224), (2736, 7670998), (3396, 6180168), (4528, 4635126), (5094, 4120112), (5377, 3903264), (5472, 3835499), (6792, 3090084), (9056, 2317563), (10188, 2060056), (10754, 1951632), (13553, 1548576), (13584, 1545042), (16131, 1301088), (20376, 1030028), (21508, 975816), (27106, 774288), (27168, 772521), (32262, 650544), (40659, 516192), (40752, 515014), (43016, 487908), (48393, 433696), (54212, 387144), (64524, 325272), (81318, 258096), (81504, 257507), (86032, 243954), (96786, 216848), (108424, 193572), (121977, 172064), (129048, 162636)]