20390964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{863}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 52254720

約数和(自身を除く): 31863756

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 179, 358, 537, 716, 863, 1074, 1726, 1969, 2148, 2589, 3452, 3938, 5178, 5907, 7876, 9493, 10356, 11814, 18986, 23628, 28479, 37972, 56958, 113916, 154477, 308954, 463431, 617908, 926862, 1699247, 1853724, 3398494, 5097741, 6796988, 10195482, 20390964]

約数ペア:

[(1, 20390964), (2, 10195482), (3, 6796988), (4, 5097741), (6, 3398494), (11, 1853724), (12, 1699247), (22, 926862), (33, 617908), (44, 463431), (66, 308954), (132, 154477), (179, 113916), (358, 56958), (537, 37972), (716, 28479), (863, 23628), (1074, 18986), (1726, 11814), (1969, 10356), (2148, 9493), (2589, 7876), (3452, 5907), (3938, 5178)]