20154489616

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{2719}}^1\times {\mathrm{9857}}^1$

素因数の和:12631

約数の個数: 40

約数和(自身を含む): 39898874880

約数和(自身を除く): 19744385264

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 2719, 5438, 9857, 10876, 19714, 21752, 39428, 43504, 78856, 127793, 157712, 255586, 463279, 511172, 926558, 1022344, 1853116, 2044688, 3706232, 7412464, 26801183, 53602366, 107204732, 214409464, 428818928, 1259655601, 2519311202, 5038622404, 10077244808, 20154489616]

約数ペア:

[(1, 20154489616), (2, 10077244808), (4, 5038622404), (8, 2519311202), (16, 1259655601), (47, 428818928), (94, 214409464), (188, 107204732), (376, 53602366), (752, 26801183), (2719, 7412464), (5438, 3706232), (9857, 2044688), (10876, 1853116), (19714, 1022344), (21752, 926558), (39428, 511172), (43504, 463279), (78856, 255586), (127793, 157712)]