20431080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 73008000

約数和(自身を除く): 52576920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 57, 58, 60, 72, 76, 87, 90, 95, 103, 114, 116, 120, 145, 152, 171, 174, 180, 190, 206, 228, 232, 261, 285, 290, 309, 342, 348, 360, 380, 412, 435, 456, 515, 522, 551, 570, 580, 618, 684, 696, 760, 824, 855, 870, 927, 1030, 1044, 1102, 1140, 1160, 1236, 1305, 1368, 1545, 1653, 1710, 1740, 1854, 1957, 2060, 2088, 2204, 2280, 2472, 2610, 2755, 2987, 3090, 3306, 3420, 3480, 3708, 3914, 4120, 4408, 4635, 4959, 5220, 5510, 5871, 5974, 6180, 6612, 6840, 7416, 7828, 8265, 8961, 9270, 9785, 9918, 10440, 11020, 11742, 11948, 12360, 13224, 14935, 15656, 16530, 17613, 17922, 18540, 19570, 19836, 22040, 23484, 23896, 24795, 26883, 29355, 29870, 33060, 35226, 35844, 37080, 39140, 39672, 44805, 46968, 49590, 53766, 56753, 58710, 59740, 66120, 70452, 71688, 78280, 88065, 89610, 99180, 107532, 113506, 117420, 119480, 134415, 140904, 170259, 176130, 179220, 198360, 215064, 227012, 234840, 268830, 283765, 340518, 352260, 358440, 454024, 510777, 537660, 567530, 681036, 704520, 851295, 1021554, 1075320, 1135060, 1362072, 1702590, 2043108, 2270120, 2553885, 3405180, 4086216, 5107770, 6810360, 10215540, 20431080]

約数ペア:

[(1, 20431080), (2, 10215540), (3, 6810360), (4, 5107770), (5, 4086216), (6, 3405180), (8, 2553885), (9, 2270120), (10, 2043108), (12, 1702590), (15, 1362072), (18, 1135060), (19, 1075320), (20, 1021554), (24, 851295), (29, 704520), (30, 681036), (36, 567530), (38, 537660), (40, 510777), (45, 454024), (57, 358440), (58, 352260), (60, 340518), (72, 283765), (76, 268830), (87, 234840), (90, 227012), (95, 215064), (103, 198360), (114, 179220), (116, 176130), (120, 170259), (145, 140904), (152, 134415), (171, 119480), (174, 117420), (180, 113506), (190, 107532), (206, 99180), (228, 89610), (232, 88065), (261, 78280), (285, 71688), (290, 70452), (309, 66120), (342, 59740), (348, 58710), (360, 56753), (380, 53766), (412, 49590), (435, 46968), (456, 44805), (515, 39672), (522, 39140), (551, 37080), (570, 35844), (580, 35226), (618, 33060), (684, 29870), (696, 29355), (760, 26883), (824, 24795), (855, 23896), (870, 23484), (927, 22040), (1030, 19836), (1044, 19570), (1102, 18540), (1140, 17922), (1160, 17613), (1236, 16530), (1305, 15656), (1368, 14935), (1545, 13224), (1653, 12360), (1710, 11948), (1740, 11742), (1854, 11020), (1957, 10440), (2060, 9918), (2088, 9785), (2204, 9270), (2280, 8961), (2472, 8265), (2610, 7828), (2755, 7416), (2987, 6840), (3090, 6612), (3306, 6180), (3420, 5974), (3480, 5871), (3708, 5510), (3914, 5220), (4120, 4959), (4408, 4635)]