20036280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 67288320

約数和(自身を除く): 47252040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 353, 430, 440, 473, 516, 645, 660, 706, 860, 946, 1032, 1059, 1290, 1320, 1412, 1419, 1720, 1765, 1892, 2118, 2365, 2580, 2824, 2838, 3530, 3784, 3883, 4236, 4730, 5160, 5295, 5676, 7060, 7095, 7766, 8472, 9460, 10590, 11352, 11649, 14120, 14190, 15179, 15532, 18920, 19415, 21180, 23298, 28380, 30358, 31064, 38830, 42360, 45537, 46596, 56760, 58245, 60716, 75895, 77660, 91074, 93192, 116490, 121432, 151790, 155320, 166969, 182148, 227685, 232980, 303580, 333938, 364296, 455370, 465960, 500907, 607160, 667876, 834845, 910740, 1001814, 1335752, 1669690, 1821480, 2003628, 2504535, 3339380, 4007256, 5009070, 6678760, 10018140, 20036280]

約数ペア:

[(1, 20036280), (2, 10018140), (3, 6678760), (4, 5009070), (5, 4007256), (6, 3339380), (8, 2504535), (10, 2003628), (11, 1821480), (12, 1669690), (15, 1335752), (20, 1001814), (22, 910740), (24, 834845), (30, 667876), (33, 607160), (40, 500907), (43, 465960), (44, 455370), (55, 364296), (60, 333938), (66, 303580), (86, 232980), (88, 227685), (110, 182148), (120, 166969), (129, 155320), (132, 151790), (165, 121432), (172, 116490), (215, 93192), (220, 91074), (258, 77660), (264, 75895), (330, 60716), (344, 58245), (353, 56760), (430, 46596), (440, 45537), (473, 42360), (516, 38830), (645, 31064), (660, 30358), (706, 28380), (860, 23298), (946, 21180), (1032, 19415), (1059, 18920), (1290, 15532), (1320, 15179), (1412, 14190), (1419, 14120), (1720, 11649), (1765, 11352), (1892, 10590), (2118, 9460), (2365, 8472), (2580, 7766), (2824, 7095), (2838, 7060), (3530, 5676), (3784, 5295), (3883, 5160), (4236, 4730)]