20027388

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 49190400

約数和(自身を除く): 29163012

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 149, 276, 298, 447, 487, 596, 894, 974, 1461, 1788, 1948, 2922, 3427, 5844, 6854, 10281, 11201, 13708, 20562, 22402, 33603, 41124, 44804, 67206, 72563, 134412, 145126, 217689, 290252, 435378, 870756, 1668949, 3337898, 5006847, 6675796, 10013694, 20027388]

約数ペア:

[(1, 20027388), (2, 10013694), (3, 6675796), (4, 5006847), (6, 3337898), (12, 1668949), (23, 870756), (46, 435378), (69, 290252), (92, 217689), (138, 145126), (149, 134412), (276, 72563), (298, 67206), (447, 44804), (487, 41124), (596, 33603), (894, 22402), (974, 20562), (1461, 13708), (1788, 11201), (1948, 10281), (2922, 6854), (3427, 5844)]