20641368

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1907}}^1$

素因数の和:1968

約数の個数: 64

約数和(自身を含む): 57697920

約数和(自身を除く): 37056552

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 41, 44, 66, 82, 88, 123, 132, 164, 246, 264, 328, 451, 492, 902, 984, 1353, 1804, 1907, 2706, 3608, 3814, 5412, 5721, 7628, 10824, 11442, 15256, 20977, 22884, 41954, 45768, 62931, 78187, 83908, 125862, 156374, 167816, 234561, 251724, 312748, 469122, 503448, 625496, 860057, 938244, 1720114, 1876488, 2580171, 3440228, 5160342, 6880456, 10320684, 20641368]

約数ペア:

[(1, 20641368), (2, 10320684), (3, 6880456), (4, 5160342), (6, 3440228), (8, 2580171), (11, 1876488), (12, 1720114), (22, 938244), (24, 860057), (33, 625496), (41, 503448), (44, 469122), (66, 312748), (82, 251724), (88, 234561), (123, 167816), (132, 156374), (164, 125862), (246, 83908), (264, 78187), (328, 62931), (451, 45768), (492, 41954), (902, 22884), (984, 20977), (1353, 15256), (1804, 11442), (1907, 10824), (2706, 7628), (3608, 5721), (3814, 5412)]