20393851520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{1301}}^1\times {\mathrm{3499}}^1$

素因数の和:4826

約数の個数: 128

約数和(自身を含む): 55777680000

約数和(自身を除く): 35383828480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 1301, 2240, 2602, 3499, 4480, 5204, 6505, 6998, 9107, 10408, 13010, 13996, 17495, 18214, 20816, 24493, 26020, 27992, 34990, 36428, 41632, 45535, 48986, 52040, 55984, 69980, 72856, 83264, 91070, 97972, 104080, 111968, 122465, 139960, 145712, 166528, 182140, 195944, 208160, 223936, 244930, 279920, 291424, 364280, 391888, 416320, 447872, 489860, 559840, 582848, 728560, 783776, 832640, 979720, 1119680, 1165696, 1457120, 1567552, 1959440, 2239360, 2914240, 3135104, 3918880, 4552199, 5828480, 7837760, 9104398, 15675520, 18208796, 22760995, 31865393, 36417592, 45521990, 63730786, 72835184, 91043980, 127461572, 145670368, 159326965, 182087960, 254923144, 291340736, 318653930, 364175920, 509846288, 582681472, 637307860, 728351840, 1019692576, 1274615720, 1456703680, 2039385152, 2549231440, 2913407360, 4078770304, 5098462880, 10196925760, 20393851520]

約数ペア:

[(1, 20393851520), (2, 10196925760), (4, 5098462880), (5, 4078770304), (7, 2913407360), (8, 2549231440), (10, 2039385152), (14, 1456703680), (16, 1274615720), (20, 1019692576), (28, 728351840), (32, 637307860), (35, 582681472), (40, 509846288), (56, 364175920), (64, 318653930), (70, 291340736), (80, 254923144), (112, 182087960), (128, 159326965), (140, 145670368), (160, 127461572), (224, 91043980), (280, 72835184), (320, 63730786), (448, 45521990), (560, 36417592), (640, 31865393), (896, 22760995), (1120, 18208796), (1301, 15675520), (2240, 9104398), (2602, 7837760), (3499, 5828480), (4480, 4552199), (5204, 3918880), (6505, 3135104), (6998, 2914240), (9107, 2239360), (10408, 1959440), (13010, 1567552), (13996, 1457120), (17495, 1165696), (18214, 1119680), (20816, 979720), (24493, 832640), (26020, 783776), (27992, 728560), (34990, 582848), (36428, 559840), (41632, 489860), (45535, 447872), (48986, 416320), (52040, 391888), (55984, 364280), (69980, 291424), (72856, 279920), (83264, 244930), (91070, 223936), (97972, 208160), (104080, 195944), (111968, 182140), (122465, 166528), (139960, 145712)]