20759172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13007}}^1$

素因数の和:13040

約数の個数: 48

約数和(自身を含む): 58275840

約数和(自身を除く): 37516668

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13007, 26014, 39021, 52028, 78042, 91049, 156084, 182098, 247133, 273147, 364196, 494266, 546294, 741399, 988532, 1092588, 1482798, 1729931, 2965596, 3459862, 5189793, 6919724, 10379586, 20759172]

約数ペア:

[(1, 20759172), (2, 10379586), (3, 6919724), (4, 5189793), (6, 3459862), (7, 2965596), (12, 1729931), (14, 1482798), (19, 1092588), (21, 988532), (28, 741399), (38, 546294), (42, 494266), (57, 364196), (76, 273147), (84, 247133), (114, 182098), (133, 156084), (228, 91049), (266, 78042), (399, 52028), (532, 39021), (798, 26014), (1596, 13007)]