20488236488

素因数分解:

$2^3\times {\mathrm{43}}^2\times {\mathrm{1063}}^1\times {\mathrm{1303}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 39396813120

約数和(自身を除く): 18908576632

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1063, 1303, 1849, 2126, 2606, 3698, 4252, 5212, 7396, 8504, 10424, 14792, 45709, 56029, 91418, 112058, 182836, 224116, 365672, 448232, 1385089, 1965487, 2409247, 2770178, 3930974, 4818494, 5540356, 7861948, 9636988, 11080712, 15723896, 19273976, 59558827, 119117654, 238235308, 476470616, 2561029561, 5122059122, 10244118244, 20488236488]

約数ペア:

[(1, 20488236488), (2, 10244118244), (4, 5122059122), (8, 2561029561), (43, 476470616), (86, 238235308), (172, 119117654), (344, 59558827), (1063, 19273976), (1303, 15723896), (1849, 11080712), (2126, 9636988), (2606, 7861948), (3698, 5540356), (4252, 4818494), (5212, 3930974), (7396, 2770178), (8504, 2409247), (10424, 1965487), (14792, 1385089), (45709, 448232), (56029, 365672), (91418, 224116), (112058, 182836)]