20851710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{353}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 55054080

約数和(自身を除く): 34202370

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 179, 330, 353, 358, 537, 706, 895, 1059, 1074, 1765, 1790, 1969, 2118, 2685, 3530, 3883, 3938, 5295, 5370, 5907, 7766, 9845, 10590, 11649, 11814, 19415, 19690, 23298, 29535, 38830, 58245, 59070, 63187, 116490, 126374, 189561, 315935, 379122, 631870, 695057, 947805, 1390114, 1895610, 2085171, 3475285, 4170342, 6950570, 10425855, 20851710]

約数ペア:

[(1, 20851710), (2, 10425855), (3, 6950570), (5, 4170342), (6, 3475285), (10, 2085171), (11, 1895610), (15, 1390114), (22, 947805), (30, 695057), (33, 631870), (55, 379122), (66, 315935), (110, 189561), (165, 126374), (179, 116490), (330, 63187), (353, 59070), (358, 58245), (537, 38830), (706, 29535), (895, 23298), (1059, 19690), (1074, 19415), (1765, 11814), (1790, 11649), (1969, 10590), (2118, 9845), (2685, 7766), (3530, 5907), (3883, 5370), (3938, 5295)]