20173851480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1\times {\mathrm{2393}}^1$

素因数の和:3001

約数の個数: 128

約数和(自身を含む): 61059640320

約数和(自身を除く): 40885788840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 431, 489, 652, 815, 862, 978, 1293, 1304, 1630, 1724, 1956, 2155, 2393, 2445, 2586, 3260, 3448, 3912, 4310, 4786, 4890, 5172, 6465, 6520, 7179, 8620, 9572, 9780, 10344, 11965, 12930, 14358, 17240, 19144, 19560, 23930, 25860, 28716, 35895, 47860, 51720, 57432, 70253, 71790, 95720, 140506, 143580, 210759, 281012, 287160, 351265, 390059, 421518, 562024, 702530, 780118, 843036, 1031383, 1053795, 1170177, 1405060, 1560236, 1686072, 1950295, 2062766, 2107590, 2340354, 2810120, 3094149, 3120472, 3900590, 4125532, 4215180, 4680708, 5156915, 5850885, 6188298, 7801180, 8251064, 8430360, 9361416, 10313830, 11701770, 12376596, 15470745, 15602360, 20627660, 23403540, 24753192, 30941490, 41255320, 46807080, 61882980, 123765960, 168115429, 336230858, 504346287, 672461716, 840577145, 1008692574, 1344923432, 1681154290, 2017385148, 2521731435, 3362308580, 4034770296, 5043462870, 6724617160, 10086925740, 20173851480]

約数ペア:

[(1, 20173851480), (2, 10086925740), (3, 6724617160), (4, 5043462870), (5, 4034770296), (6, 3362308580), (8, 2521731435), (10, 2017385148), (12, 1681154290), (15, 1344923432), (20, 1008692574), (24, 840577145), (30, 672461716), (40, 504346287), (60, 336230858), (120, 168115429), (163, 123765960), (326, 61882980), (431, 46807080), (489, 41255320), (652, 30941490), (815, 24753192), (862, 23403540), (978, 20627660), (1293, 15602360), (1304, 15470745), (1630, 12376596), (1724, 11701770), (1956, 10313830), (2155, 9361416), (2393, 8430360), (2445, 8251064), (2586, 7801180), (3260, 6188298), (3448, 5850885), (3912, 5156915), (4310, 4680708), (4786, 4215180), (4890, 4125532), (5172, 3900590), (6465, 3120472), (6520, 3094149), (7179, 2810120), (8620, 2340354), (9572, 2107590), (9780, 2062766), (10344, 1950295), (11965, 1686072), (12930, 1560236), (14358, 1405060), (17240, 1170177), (19144, 1053795), (19560, 1031383), (23930, 843036), (25860, 780118), (28716, 702530), (35895, 562024), (47860, 421518), (51720, 390059), (57432, 351265), (70253, 287160), (71790, 281012), (95720, 210759), (140506, 143580)]