20586960

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{353}}^1$

素因数の和:384

約数の個数: 140

約数和(自身を含む): 71967492

約数和(自身を除く): 51380532

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 353, 360, 405, 432, 486, 540, 648, 706, 720, 729, 810, 972, 1059, 1080, 1215, 1296, 1412, 1458, 1620, 1765, 1944, 2118, 2160, 2430, 2824, 2916, 3177, 3240, 3530, 3645, 3888, 4236, 4860, 5295, 5648, 5832, 6354, 6480, 7060, 7290, 8472, 9531, 9720, 10590, 11664, 12708, 14120, 14580, 15885, 16944, 19062, 19440, 21180, 25416, 28240, 28593, 29160, 31770, 38124, 42360, 47655, 50832, 57186, 58320, 63540, 76248, 84720, 85779, 95310, 114372, 127080, 142965, 152496, 171558, 190620, 228744, 254160, 257337, 285930, 343116, 381240, 428895, 457488, 514674, 571860, 686232, 762480, 857790, 1029348, 1143720, 1286685, 1372464, 1715580, 2058696, 2287440, 2573370, 3431160, 4117392, 5146740, 6862320, 10293480, 20586960]

約数ペア:

[(1, 20586960), (2, 10293480), (3, 6862320), (4, 5146740), (5, 4117392), (6, 3431160), (8, 2573370), (9, 2287440), (10, 2058696), (12, 1715580), (15, 1372464), (16, 1286685), (18, 1143720), (20, 1029348), (24, 857790), (27, 762480), (30, 686232), (36, 571860), (40, 514674), (45, 457488), (48, 428895), (54, 381240), (60, 343116), (72, 285930), (80, 257337), (81, 254160), (90, 228744), (108, 190620), (120, 171558), (135, 152496), (144, 142965), (162, 127080), (180, 114372), (216, 95310), (240, 85779), (243, 84720), (270, 76248), (324, 63540), (353, 58320), (360, 57186), (405, 50832), (432, 47655), (486, 42360), (540, 38124), (648, 31770), (706, 29160), (720, 28593), (729, 28240), (810, 25416), (972, 21180), (1059, 19440), (1080, 19062), (1215, 16944), (1296, 15885), (1412, 14580), (1458, 14120), (1620, 12708), (1765, 11664), (1944, 10590), (2118, 9720), (2160, 9531), (2430, 8472), (2824, 7290), (2916, 7060), (3177, 6480), (3240, 6354), (3530, 5832), (3645, 5648), (3888, 5295), (4236, 4860)]