20795144

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 40592640

約数和(自身を除く): 19797496

約数列:

[1, 2, 4, 8, 43, 61, 86, 122, 172, 244, 344, 488, 991, 1982, 2623, 3964, 5246, 7928, 10492, 20984, 42613, 60451, 85226, 120902, 170452, 241804, 340904, 483608, 2599393, 5198786, 10397572, 20795144]

約数ペア:

[(1, 20795144), (2, 10397572), (4, 5198786), (8, 2599393), (43, 483608), (61, 340904), (86, 241804), (122, 170452), (172, 120902), (244, 85226), (344, 60451), (488, 42613), (991, 20984), (1982, 10492), (2623, 7928), (3964, 5246)]