20174669080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{3221}}^1$

素因数の和:3461

約数の個数: 128

約数和(自身を含む): 49189887360

約数和(自身を除く): 29015218280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 151, 170, 244, 302, 305, 340, 488, 604, 610, 680, 755, 1037, 1208, 1220, 1510, 2074, 2440, 2567, 3020, 3221, 4148, 5134, 5185, 6040, 6442, 8296, 9211, 10268, 10370, 12835, 12884, 16105, 18422, 20536, 20740, 25670, 25768, 32210, 36844, 41480, 46055, 51340, 54757, 64420, 73688, 92110, 102680, 109514, 128840, 156587, 184220, 196481, 219028, 273785, 313174, 368440, 392962, 438056, 486371, 547570, 626348, 782935, 785924, 972742, 982405, 1095140, 1252696, 1565870, 1571848, 1945484, 1964810, 2190280, 2431855, 3131740, 3340177, 3890968, 3929620, 4863710, 6263480, 6680354, 7859240, 8268307, 9727420, 13360708, 16536614, 16700885, 19454840, 26721416, 29668631, 33073228, 33401770, 41341535, 59337262, 66146456, 66803540, 82683070, 118674524, 133607080, 148343155, 165366140, 237349048, 296686310, 330732280, 504366727, 593372620, 1008733454, 1186745240, 2017466908, 2521833635, 4034933816, 5043667270, 10087334540, 20174669080]

約数ペア:

[(1, 20174669080), (2, 10087334540), (4, 5043667270), (5, 4034933816), (8, 2521833635), (10, 2017466908), (17, 1186745240), (20, 1008733454), (34, 593372620), (40, 504366727), (61, 330732280), (68, 296686310), (85, 237349048), (122, 165366140), (136, 148343155), (151, 133607080), (170, 118674524), (244, 82683070), (302, 66803540), (305, 66146456), (340, 59337262), (488, 41341535), (604, 33401770), (610, 33073228), (680, 29668631), (755, 26721416), (1037, 19454840), (1208, 16700885), (1220, 16536614), (1510, 13360708), (2074, 9727420), (2440, 8268307), (2567, 7859240), (3020, 6680354), (3221, 6263480), (4148, 4863710), (5134, 3929620), (5185, 3890968), (6040, 3340177), (6442, 3131740), (8296, 2431855), (9211, 2190280), (10268, 1964810), (10370, 1945484), (12835, 1571848), (12884, 1565870), (16105, 1252696), (18422, 1095140), (20536, 982405), (20740, 972742), (25670, 785924), (25768, 782935), (32210, 626348), (36844, 547570), (41480, 486371), (46055, 438056), (51340, 392962), (54757, 368440), (64420, 313174), (73688, 273785), (92110, 219028), (102680, 196481), (109514, 184220), (128840, 156587)]