20531134

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 36892800

約数和(自身を除く): 16361666

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 139, 169, 247, 278, 299, 338, 437, 494, 598, 874, 1807, 2641, 3197, 3211, 3614, 3887, 5282, 5681, 6394, 6422, 7774, 11362, 23491, 34333, 41561, 46982, 60743, 68666, 73853, 83122, 121486, 147706, 446329, 540293, 789659, 892658, 1080586, 1579318, 10265567, 20531134]

約数ペア:

[(1, 20531134), (2, 10265567), (13, 1579318), (19, 1080586), (23, 892658), (26, 789659), (38, 540293), (46, 446329), (139, 147706), (169, 121486), (247, 83122), (278, 73853), (299, 68666), (338, 60743), (437, 46982), (494, 41561), (598, 34333), (874, 23491), (1807, 11362), (2641, 7774), (3197, 6422), (3211, 6394), (3614, 5681), (3887, 5282)]