20982612

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13147}}^1$

素因数の和:13180

約数の個数: 48

約数和(自身を含む): 58903040

約数和(自身を除く): 37920428

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, 13147, 26294, 39441, 52588, 78882, 92029, 157764, 184058, 249793, 276087, 368116, 499586, 552174, 749379, 999172, 1104348, 1498758, 1748551, 2997516, 3497102, 5245653, 6994204, 10491306, 20982612]

約数ペア:

[(1, 20982612), (2, 10491306), (3, 6994204), (4, 5245653), (6, 3497102), (7, 2997516), (12, 1748551), (14, 1498758), (19, 1104348), (21, 999172), (28, 749379), (38, 552174), (42, 499586), (57, 368116), (76, 276087), (84, 249793), (114, 184058), (133, 157764), (228, 92029), (266, 78882), (399, 52588), (532, 39441), (798, 26294), (1596, 13147)]