20900810520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{8677}}^1\times {\mathrm{6691}}^1$

素因数の和:15385

約数の個数: 96

約数和(自身を含む): 67945615920

約数和(自身を除く): 47044805400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 6691, 8677, 13382, 17354, 20073, 26031, 26764, 33455, 34708, 40146, 43385, 52062, 53528, 60219, 66910, 69416, 78093, 80292, 86770, 100365, 104124, 120438, 130155, 133820, 156186, 160584, 173540, 200730, 208248, 240876, 260310, 267640, 301095, 312372, 347080, 390465, 401460, 481752, 520620, 602190, 624744, 780930, 802920, 1041240, 1204380, 1561860, 2408760, 3123720, 58057807, 116115614, 174173421, 232231228, 290289035, 348346842, 464462456, 522520263, 580578070, 696693684, 870867105, 1045040526, 1161156140, 1393387368, 1741734210, 2090081052, 2322312280, 2612601315, 3483468420, 4180162104, 5225202630, 6966936840, 10450405260, 20900810520]

約数ペア:

[(1, 20900810520), (2, 10450405260), (3, 6966936840), (4, 5225202630), (5, 4180162104), (6, 3483468420), (8, 2612601315), (9, 2322312280), (10, 2090081052), (12, 1741734210), (15, 1393387368), (18, 1161156140), (20, 1045040526), (24, 870867105), (30, 696693684), (36, 580578070), (40, 522520263), (45, 464462456), (60, 348346842), (72, 290289035), (90, 232231228), (120, 174173421), (180, 116115614), (360, 58057807), (6691, 3123720), (8677, 2408760), (13382, 1561860), (17354, 1204380), (20073, 1041240), (26031, 802920), (26764, 780930), (33455, 624744), (34708, 602190), (40146, 520620), (43385, 481752), (52062, 401460), (53528, 390465), (60219, 347080), (66910, 312372), (69416, 301095), (78093, 267640), (80292, 260310), (86770, 240876), (100365, 208248), (104124, 200730), (120438, 173540), (130155, 160584), (133820, 156186)]