20343786128

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{1451}}^1\times {\mathrm{4153}}^1$

素因数の和:5823

約数の個数: 40

約数和(自身を含む): 39639727776

約数和(自身を除く): 19295941648

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1451, 1688, 2902, 3376, 4153, 5804, 8306, 11608, 16612, 23216, 33224, 66448, 306161, 612322, 876283, 1224644, 1752566, 2449288, 3505132, 4898576, 6026003, 7010264, 12052006, 14020528, 24104012, 48208024, 96416048, 1271486633, 2542973266, 5085946532, 10171893064, 20343786128]

約数ペア:

[(1, 20343786128), (2, 10171893064), (4, 5085946532), (8, 2542973266), (16, 1271486633), (211, 96416048), (422, 48208024), (844, 24104012), (1451, 14020528), (1688, 12052006), (2902, 7010264), (3376, 6026003), (4153, 4898576), (5804, 3505132), (8306, 2449288), (11608, 1752566), (16612, 1224644), (23216, 876283), (33224, 612322), (66448, 306161)]