20545008

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 37951248

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 167, 176, 233, 264, 334, 466, 501, 528, 668, 699, 932, 1002, 1336, 1398, 1837, 1864, 2004, 2563, 2672, 2796, 3674, 3728, 4008, 5126, 5511, 5592, 7348, 7689, 8016, 10252, 11022, 11184, 14696, 15378, 20504, 22044, 29392, 30756, 38911, 41008, 44088, 61512, 77822, 88176, 116733, 123024, 155644, 233466, 311288, 428021, 466932, 622576, 856042, 933864, 1284063, 1712084, 1867728, 2568126, 3424168, 5136252, 6848336, 10272504, 20545008]

約数ペア:

[(1, 20545008), (2, 10272504), (3, 6848336), (4, 5136252), (6, 3424168), (8, 2568126), (11, 1867728), (12, 1712084), (16, 1284063), (22, 933864), (24, 856042), (33, 622576), (44, 466932), (48, 428021), (66, 311288), (88, 233466), (132, 155644), (167, 123024), (176, 116733), (233, 88176), (264, 77822), (334, 61512), (466, 44088), (501, 41008), (528, 38911), (668, 30756), (699, 29392), (932, 22044), (1002, 20504), (1336, 15378), (1398, 14696), (1837, 11184), (1864, 11022), (2004, 10252), (2563, 8016), (2672, 7689), (2796, 7348), (3674, 5592), (3728, 5511), (4008, 5126)]