20392372

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 48382208

約数和(自身を除く): 27989836

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 121, 143, 154, 182, 242, 286, 308, 364, 463, 484, 572, 847, 926, 1001, 1573, 1694, 1852, 2002, 3146, 3241, 3388, 4004, 5093, 6019, 6292, 6482, 10186, 11011, 12038, 12964, 20372, 22022, 24076, 35651, 42133, 44044, 56023, 66209, 71302, 84266, 112046, 132418, 142604, 168532, 224092, 264836, 392161, 463463, 728299, 784322, 926926, 1456598, 1568644, 1853852, 2913196, 5098093, 10196186, 20392372]

約数ペア:

[(1, 20392372), (2, 10196186), (4, 5098093), (7, 2913196), (11, 1853852), (13, 1568644), (14, 1456598), (22, 926926), (26, 784322), (28, 728299), (44, 463463), (52, 392161), (77, 264836), (91, 224092), (121, 168532), (143, 142604), (154, 132418), (182, 112046), (242, 84266), (286, 71302), (308, 66209), (364, 56023), (463, 44044), (484, 42133), (572, 35651), (847, 24076), (926, 22022), (1001, 20372), (1573, 12964), (1694, 12038), (1852, 11011), (2002, 10186), (3146, 6482), (3241, 6292), (3388, 6019), (4004, 5093)]