20120778608

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{87251}}^1$

素因数の和:87366

約数の個数: 80

約数和(自身を含む): 46739151360

約数和(自身を除く): 26618372752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 71, 112, 116, 142, 203, 232, 284, 406, 464, 497, 568, 812, 994, 1136, 1624, 1988, 2059, 3248, 3976, 4118, 7952, 8236, 14413, 16472, 28826, 32944, 57652, 87251, 115304, 174502, 230608, 349004, 610757, 698008, 1221514, 1396016, 2443028, 2530279, 4886056, 5060558, 6194821, 9772112, 10121116, 12389642, 17711953, 20242232, 24779284, 35423906, 40484464, 43363747, 49558568, 70847812, 86727494, 99117136, 141695624, 173454988, 179649809, 283391248, 346909976, 359299618, 693819952, 718599236, 1257548663, 1437198472, 2515097326, 2874396944, 5030194652, 10060389304, 20120778608]

約数ペア:

[(1, 20120778608), (2, 10060389304), (4, 5030194652), (7, 2874396944), (8, 2515097326), (14, 1437198472), (16, 1257548663), (28, 718599236), (29, 693819952), (56, 359299618), (58, 346909976), (71, 283391248), (112, 179649809), (116, 173454988), (142, 141695624), (203, 99117136), (232, 86727494), (284, 70847812), (406, 49558568), (464, 43363747), (497, 40484464), (568, 35423906), (812, 24779284), (994, 20242232), (1136, 17711953), (1624, 12389642), (1988, 10121116), (2059, 9772112), (3248, 6194821), (3976, 5060558), (4118, 4886056), (7952, 2530279), (8236, 2443028), (14413, 1396016), (16472, 1221514), (28826, 698008), (32944, 610757), (57652, 349004), (87251, 230608), (115304, 174502)]