20980344

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11353}}^1$

素因数の和:11380

約数の個数: 64

約数和(自身を含む): 65399040

約数和(自身を除く): 44418696

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11353, 22706, 34059, 45412, 68118, 79471, 90824, 124883, 136236, 158942, 238413, 249766, 272472, 317884, 374649, 476826, 499532, 635768, 749298, 874181, 953652, 999064, 1498596, 1748362, 1907304, 2622543, 2997192, 3496724, 5245086, 6993448, 10490172, 20980344]

約数ペア:

[(1, 20980344), (2, 10490172), (3, 6993448), (4, 5245086), (6, 3496724), (7, 2997192), (8, 2622543), (11, 1907304), (12, 1748362), (14, 1498596), (21, 999064), (22, 953652), (24, 874181), (28, 749298), (33, 635768), (42, 499532), (44, 476826), (56, 374649), (66, 317884), (77, 272472), (84, 249766), (88, 238413), (132, 158942), (154, 136236), (168, 124883), (231, 90824), (264, 79471), (308, 68118), (462, 45412), (616, 34059), (924, 22706), (1848, 11353)]