20660354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 18530686

約数列:

[1, 2, 11, 13, 22, 26, 29, 47, 53, 58, 94, 106, 143, 286, 319, 377, 517, 583, 611, 638, 689, 754, 1034, 1166, 1222, 1363, 1378, 1537, 2491, 2726, 3074, 4147, 4982, 6721, 7579, 8294, 13442, 14993, 15158, 16907, 17719, 19981, 27401, 29986, 32383, 33814, 35438, 39962, 54802, 64766, 72239, 144478, 194909, 219791, 356213, 389818, 439582, 712426, 794629, 939107, 1589258, 1878214, 10330177, 20660354]

約数ペア:

[(1, 20660354), (2, 10330177), (11, 1878214), (13, 1589258), (22, 939107), (26, 794629), (29, 712426), (47, 439582), (53, 389818), (58, 356213), (94, 219791), (106, 194909), (143, 144478), (286, 72239), (319, 64766), (377, 54802), (517, 39962), (583, 35438), (611, 33814), (638, 32383), (689, 29986), (754, 27401), (1034, 19981), (1166, 17719), (1222, 16907), (1363, 15158), (1378, 14993), (1537, 13442), (2491, 8294), (2726, 7579), (3074, 6721), (4147, 4982)]