20349890848

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{4219}}^1$

素因数の和:4650

約数の個数: 96

約数和(自身を含む): 46680762240

約数和(自身を除く): 26330871392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 353, 427, 488, 706, 854, 976, 1412, 1708, 1952, 2471, 2824, 3416, 4219, 4942, 5648, 6832, 8438, 9884, 11296, 13664, 16876, 19768, 21533, 29533, 33752, 39536, 43066, 59066, 67504, 79072, 86132, 118132, 135008, 150731, 172264, 236264, 257359, 301462, 344528, 472528, 514718, 602924, 689056, 945056, 1029436, 1205848, 1489307, 1801513, 2058872, 2411696, 2978614, 3603026, 4117744, 4823392, 5957228, 7206052, 8235488, 10425149, 11914456, 14412104, 20850298, 23828912, 28824208, 41700596, 47657824, 57648416, 83401192, 90847727, 166802384, 181695454, 333604768, 363390908, 635934089, 726781816, 1271868178, 1453563632, 2543736356, 2907127264, 5087472712, 10174945424, 20349890848]

約数ペア:

[(1, 20349890848), (2, 10174945424), (4, 5087472712), (7, 2907127264), (8, 2543736356), (14, 1453563632), (16, 1271868178), (28, 726781816), (32, 635934089), (56, 363390908), (61, 333604768), (112, 181695454), (122, 166802384), (224, 90847727), (244, 83401192), (353, 57648416), (427, 47657824), (488, 41700596), (706, 28824208), (854, 23828912), (976, 20850298), (1412, 14412104), (1708, 11914456), (1952, 10425149), (2471, 8235488), (2824, 7206052), (3416, 5957228), (4219, 4823392), (4942, 4117744), (5648, 3603026), (6832, 2978614), (8438, 2411696), (9884, 2058872), (11296, 1801513), (13664, 1489307), (16876, 1205848), (19768, 1029436), (21533, 945056), (29533, 689056), (33752, 602924), (39536, 514718), (43066, 472528), (59066, 344528), (67504, 301462), (79072, 257359), (86132, 236264), (118132, 172264), (135008, 150731)]