20711448

素因数分解:

$2^3\times 3^2\times {\mathrm{307}}^1\times {\mathrm{937}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 56336280

約数和(自身を除く): 35624832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 307, 614, 921, 937, 1228, 1842, 1874, 2456, 2763, 2811, 3684, 3748, 5526, 5622, 7368, 7496, 8433, 11052, 11244, 16866, 22104, 22488, 33732, 67464, 287659, 575318, 862977, 1150636, 1725954, 2301272, 2588931, 3451908, 5177862, 6903816, 10355724, 20711448]

約数ペア:

[(1, 20711448), (2, 10355724), (3, 6903816), (4, 5177862), (6, 3451908), (8, 2588931), (9, 2301272), (12, 1725954), (18, 1150636), (24, 862977), (36, 575318), (72, 287659), (307, 67464), (614, 33732), (921, 22488), (937, 22104), (1228, 16866), (1842, 11244), (1874, 11052), (2456, 8433), (2763, 7496), (2811, 7368), (3684, 5622), (3748, 5526)]